0
Your cart

Your cart is empty

Browse All Departments
Price
  • R100 - R250 (72)
  • R250 - R500 (633)
  • R500+ (3,239)
  • -
Status
Format
Author / Contributor
Publisher

Books > Professional & Technical > Transport technology > Aerospace & aviation technology > General

Ekranoplanes - Controlled Flight Close to the Sea (CD-ROM): P.A. Wilson, A. Nebylov Ekranoplanes - Controlled Flight Close to the Sea (CD-ROM)
P.A. Wilson, A. Nebylov
R4,057 Discovery Miles 40 570 Ships in 10 - 15 working days

This book is dedicated to the problem of flight control over the sea at low altitudes, and is concerned particularly with Ekranoplanes.

Human Migration to Space - Alternative Technological Approaches for Long-Term Adaptation to Extraterrestrial Environments... Human Migration to Space - Alternative Technological Approaches for Long-Term Adaptation to Extraterrestrial Environments (Hardcover, 2014 ed.)
Elizabeth Song Lockard
R4,640 Discovery Miles 46 400 Ships in 10 - 15 working days

Human migration to space will be the most profound catalyst for evolution in the history of humankind, yet this has had little impact on determining our strategies for this next phase of exploration. Habitation in space will require extensive technological interfaces between humans and their alien surroundings and how they are deployed will critically inform the processes of adaptation. As humans begin to spend longer durations in space-eventually establishing permanent outposts on other planets-the scope of technological design considerations must expand beyond the meager requirements for survival to include issues not only of comfort and well-being, but also of engagement and negotiation with the new planetary environment that will be crucial to our longevity beyond Earth. Approaching this question from an interdisciplinary approach, this dissertation explores how the impact of interior space architecture can meet both the physical and psychological needs of future space colonists and set the stage for humankind to thrive and grow while setting down new roots beyond Earth.

Air Navigation Law (Hardcover, 2012): Ruwantissa Abeyratne Air Navigation Law (Hardcover, 2012)
Ruwantissa Abeyratne
R2,679 Discovery Miles 26 790 Ships in 18 - 22 working days

The aviation community, in which the International Civil Aviation Organization (ICAO), the International Air Transport Association (IATA) and the Civil Air Navigation Services Organization (CANSO) play leading roles, is hard at work in bringing aviation into the 21st Century. In doing so, the United States and Europe have taken proactive steps forward in introducing modernization, particularly in moving towards more efficient air traffic management systems within NextGen and SESAR. Elsewhere, in the fields of personnel licensing, rules of the air, accident investigation and aeronautical charts and information, significant strides are being made in moving from mere regulation to implementation and assistance calculated to make all ICAO member States self sufficient in international civil aviation. However, these objectives can be achieved only if the aviation industry has a sustained understanding of the legal and regulatory principles applying to the various areas of air navigation. This book provides that discussion. Some of the subjects discussed in this book are: sovereignty in airspace; flight information and air defence identification zones; rules of the air; personnel licensing; meteorological services; operations of aircraft; air traffic services; accident and incident investigation; aerodromes; efficiency aspects of aviation and environmental protection; aeronautical charts and information; the carriage of dangerous goods; and NextGen and SESAR . Except for NextGen and SESAR, these subjects form the titles of the Annexes to the Chicago Convention that particularly involve the rights and liabilities of the key players involved in air navigation.

Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering (I-DAD 2018) - Volume 2... Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering (I-DAD 2018) - Volume 2 (Hardcover, 1st ed. 2019)
U. Chandrasekhar, Lung-Jieh Yang, S. Gowthaman
R5,923 Discovery Miles 59 230 Ships in 18 - 22 working days

This book gathers the best articles presented by researchers and industrial experts at the International Conference on "Innovative Design and Development Practices in Aerospace and Automotive Engineering (I-DAD 2018)". The papers discuss new design concepts, analysis and manufacturing technologies, with an emphasis on achieving improved performance by downsizing; improving the weight-to-strength ratio, fuel efficiency, and operational capability at room and elevated temperatures; reducing wear and tear; and addressing NVH aspects, while balancing the challenges of Euro IV/Barat Stage IV emission norms and beyond, greenhouse effects, and recyclable materials. The innovative methods discussed here offer valuable reference material for educational and research organizations, as well as industry, encouraging them to pursue challenging projects of mutual interest.

Advances in Simulation of Wing and Nacelle Stall - Results of the Closing Symposium of the DFG Research Unit FOR 1066, December... Advances in Simulation of Wing and Nacelle Stall - Results of the Closing Symposium of the DFG Research Unit FOR 1066, December 1-2, 2014, Braunschweig, Germany (Hardcover, 1st ed. 2016)
Rolf Radespiel, Reinhard Niehuis, Norbert Kroll, Kathrin Behrends
R6,432 Discovery Miles 64 320 Ships in 18 - 22 working days

The book reports on advanced solutions to the problem of simulating wing and nacelle stall, as presented and discussed by internationally recognized researchers at the Closing Symposium of the DFG Research Unit FOR 1066. Reliable simulations of flow separation on airfoils, wings and powered engine nacelles at high Reynolds numbers represent great challenges in defining suitable mathematical models, computing numerically accurate solutions and providing comprehensive experimental data for the validation of numerical simulations. Additional problems arise from the need to consider airframe-engine interactions and inhomogeneous onset flow conditions, as real aircraft operate in atmospheric environments with often-large distortions. The findings of fundamental and applied research into these and other related issues are reported in detail in this book, which targets all readers, academics and professionals alike, interested in the development of advanced computational fluid dynamics modeling for the simulation of complex aircraft flows with flow separation.

Flight Management Systems - The Evolution of Avionics and Navigation Technology (Hardcover, Annotated Ed): Samuel B. Fishbein Flight Management Systems - The Evolution of Avionics and Navigation Technology (Hardcover, Annotated Ed)
Samuel B. Fishbein
R2,543 Discovery Miles 25 430 Ships in 10 - 15 working days

This work describes the historical evolution of a critical aspect of aerospace technology—avionics and navigation systems. This history is important to understanding current and future issues associated with aeronautics, space-flight development, and flight management, because avionics is crucial to commerical air traffic control and space flight. Samuel Fishbein provides a historical overview of aviation electronics and instrumentation, the evolution of automated systems and their integration, and the role of the pilot in this environment. In addition, he reviews the major elements comprising the flight management system and the evolution and operation of these instruments, discussing why the instrument panel is configured the way it is, and how ground and space-based components of the systems have influenced the design of airplane components.

Asian Space Race: Rhetoric or Reality? (Hardcover, 2013 Ed.): Ajey Lele Asian Space Race: Rhetoric or Reality? (Hardcover, 2013 Ed.)
Ajey Lele
R4,039 Discovery Miles 40 390 Ships in 18 - 22 working days

This book explores the character and contours of the Asian Space Powers. At present, Asian states like China, Japan and India are found investing in space technologies with analogous social and scientific and probably with divergent military intents. Other Asian states like Israel, South Korea and Malaysia are also making investments in the space arena. States like Iran and North Korea are faulted for using space launches as a demonstrative tool to achieve strategic objectives. This work examines this entire maze of activities to unearth where these states are making these investments to accomplish their state-specific goal or are they also trying to surpass each other by engaging in competition. Explaining why and how these states are making investments towards achieving their socio-economic and strategic mandate this book infers that the possibility of Asian Space Race exists but is presently fairly diminutive.

Principles of Nuclear Rocket Propulsion (Paperback, 2nd edition): William J. Emrich, Jr. Principles of Nuclear Rocket Propulsion (Paperback, 2nd edition)
William J. Emrich, Jr.
R3,354 Discovery Miles 33 540 Ships in 10 - 15 working days

Principles of Nuclear Rocket Propulsion, Second Edition continues to put the technical and theoretical aspects of nuclear rocket propulsion into a clear and unified presentation, providing an understanding of the physical principles underlying the design and operation of nuclear fission-based rocket engines. This new edition expands on existing material and adds new topics, such as antimatter propulsion, a description of a liquid core-based nuclear rocket engine, nuclear rocket startup, new fuel forms, reactor stability, and new advanced reactor concepts. This new edition is for aerospace and nuclear engineers and advanced students interested in nuclear rocket propulsion.

Recent Advances in Satellite Aeronautical Communications Modeling (Hardcover): Andrii Mikhailovich Grekhov Recent Advances in Satellite Aeronautical Communications Modeling (Hardcover)
Andrii Mikhailovich Grekhov
R5,569 Discovery Miles 55 690 Ships in 18 - 22 working days

Modern systems and means of aeronautical radio communication are continuously being improved, but without the development of new technical means, the aviation industry suffers. The development of more innovative plans of aviation technology are needed in order to respond to the ever-increasing standard of aviation technology. Recent Advances in Satellite Aeronautical Communications Modeling is devoted to the modeling of satellite communication channels for aircraft and RPAS/UAV using the Matlab Simulink and NetCracker software. Featuring research on topics such as channel coding, microwave emitters, and array modeling, this book is ideally designed for scientists, engineers, air traffic controllers, managers, researchers, and academicians.

Controllability, Identification, and Randomness in Distributed Systems (Hardcover, 2014): Marzieh Nabi-Abdolyousefi Controllability, Identification, and Randomness in Distributed Systems (Hardcover, 2014)
Marzieh Nabi-Abdolyousefi
R3,794 R3,264 Discovery Miles 32 640 Save R530 (14%) Ships in 10 - 15 working days

This interdisciplinary thesis involves the design and analysis of coordination algorithms on networks, identification of dynamic networks and estimation on networks with random geometries with implications for networks that support the operation of dynamic systems, e.g., formations of robotic vehicles, distributed estimation via sensor networks. The results have ramifications for fault detection and isolation of large-scale networked systems and optimization models and algorithms for next generation aircraft power systems. The author finds novel applications of the methodology in energy systems, such as residential and industrial smart energy management systems.

Airbreathing Propulsion - An Introduction (Hardcover, 2012 ed.): Tarit Bose Airbreathing Propulsion - An Introduction (Hardcover, 2012 ed.)
Tarit Bose
R1,444 Discovery Miles 14 440 Ships in 18 - 22 working days

Airbreathing Propulsion covers the physics of combustion, fluid and thermo-dynamics, and structural mechanics of airbreathing engines, including piston, turboprop, turbojet, turbofan, and ramjet engines. End-of-chapter exercises allow the reader to practice the fundamental concepts behind airbreathing propulsion, and the included PAGIC computer code will help the reader to examine the relationships between the performance parameters of different engines. Large amounts of data have on many different piston, turbojet, and turboprop engines have been compiled for this book and are included as an appendix. This textbook is ideal for senior undergraduate and graduate students studying aeronautical engineering, aerospace engineering, and mechanical engineering.

Unmanned Rotorcraft Systems (Hardcover, Edition.): Guowei Cai, Ben M. Chen, Tong Heng Lee Unmanned Rotorcraft Systems (Hardcover, Edition.)
Guowei Cai, Ben M. Chen, Tong Heng Lee
R4,718 Discovery Miles 47 180 Ships in 18 - 22 working days

An unmanned aerial vehicle (UAV) is an aircraft that is equipped with necessary data processing units, sensors, automatic control and communications systems, and is capable of performing autonomously flight missions without a human pilot. Unmanned Rotorcraft Systems provides a complete treatment of the design of fully autonomous miniature rotorcraft UAVs. It is an integration of advanced technologies developed in communications, computing and control areas. In particular, it focuses on:

the systematic hardware construction;

software systems integration;

aerodynamic modeling; and

automatic flight control system design.

Emphasis is extended to the cooperative control and flight formation of multiple UAVs, and vision-based ground target tracking and landing on moving platforms. Other issues such as the development of GPSless indoor micro aerial vehicles and vision-based navigation are also highlighted.

The proposed monograph aims to explore the research and development of fully functional miniature UAV (unmanned-aerial-vehicle) rotorcraft. This consists of a small-scale basic rotorcraft with all necessary accessories onboard, and a ground station. The unmanned system is an integration of advanced technologies developed in communications, computing and control areas. It is an excellent testing ground for trialing and implementing modern control techniques. It is however a highly challenging process. The aerodynamics of a small-scale rotorcraft such as a hobby helicopter are similar to its full-scale counterpart but has some unique characteristics, such as the utilization of stabilizer bar and higher main/tail rotors rotation speed. Besides these, the strict limitation on payload also increases the difficulty on upgrading a small-scale rotorcraft to a UAV with full capacities. Based on its various characteristics and limitations, a light-weight but effective onboard computer system with corresponding onboard/ground software should be carefully designed to realize the system identification and automatic flight requirements. These issues will be addressed in detail in this monograph. Research on the following will be detailed:

utilizing the vision-based system for accomplishing ground target tracking;

attacking and landing;

cooperative control and flight formation of muitiple unmanned rotorcraft;

future research directions on the related areas.

The book will be a good reference for researchers and students working on the related subjects. Unmanned Rotorcraft Systems will be of great value to practicing engineers in rotorcraft industries and to researchers in areas related to the development of unmanned systems in general. It may be used as a reference for advanced undergraduate and graduate students in aeronautics and astrinautics, electrical and mechanical engineering."

Commerce in Space - Infrastructures, Technologies and Applications (Hardcover): Commerce in Space - Infrastructures, Technologies and Applications (Hardcover)
R4,602 Discovery Miles 46 020 Ships in 18 - 22 working days

'Commerce In Space' discusses opportunities in the development of policies to use space technology for the improvement of life on earth.

Unmanned Aerial Systems for Monitoring Soil, Vegetation, and Riverine Environments (Paperback): Salvatore Manfreda, Ben Dor Eyal Unmanned Aerial Systems for Monitoring Soil, Vegetation, and Riverine Environments (Paperback)
Salvatore Manfreda, Ben Dor Eyal
R3,277 Discovery Miles 32 770 Ships in 10 - 15 working days

Unmanned Aerial Systems for Monitoring Soil, Vegetation, and Riverine Environments provides an overview of how unmanned aerial systems have revolutionized our capability to monitor river systems, soil characteristics, and related processes at unparalleled spatio-temporal resolutions. This capability has enabled enhancements in our capacity to describe water cycle and hydrological processes. The book includes guidelines, technical advice, and practical experience to support practitioners and scientists in increasing the efficiency of monitoring with the help of UAS. The book contains field survey datasets to use as practical exercises, allowing proposed techniques and methods to be applied to real world case studies.

Aeronautical Research in Germany - From Lilienthal Until Today (Hardcover, 2004 ed.): Ernst Heinrich Hirschel, Horst Prem, Gero... Aeronautical Research in Germany - From Lilienthal Until Today (Hardcover, 2004 ed.)
Ernst Heinrich Hirschel, Horst Prem, Gero Madelung
R6,032 Discovery Miles 60 320 Ships in 18 - 22 working days

From the pioneering glider flights of Otto Lilienthal (1891) to the advanced avionics of todaya (TM)s Airbus passenger jets, aeronautical research in Germany has been at the forefront of the birth and advancement of aeronautics. On the occasion of the centennial commemoration of the Wright Brothera (TM)s first powered flight (December 1903), this English-language edition of Aeronautical Research in Germany recounts and celebrates the considerable contributions made in Germany to the invention and ongoing development of aircraft.

Featuring hundreds of historic photos and non-technical language, this comprehensive and scholarly account will interest historians, engineers, and, also, all serious airplane devotees. Through individual contributions by 35 aeronautical experts, it covers in fascinating detail the milestones of the first 100 years of aeronautical research in Germany, within the broader context of the scientific, political, and industrial milieus. This richly illustrated and authoritative volume constitutes a most timely and substantial overview of the crucial contributions to the foundation and advancement of aeronautics made by German scientists and engineers.

The Kaguya Mission to the Moon (Hardcover, 2011 Ed.): A. Matsuoka, C. T. Russell The Kaguya Mission to the Moon (Hardcover, 2011 Ed.)
A. Matsuoka, C. T. Russell
R4,065 Discovery Miles 40 650 Ships in 18 - 22 working days

JAXA 's Kaguya mission was successfully launched to the Moon on September 14, 2007 reaching its nominal 100 km circular orbit on October 19 after releasing two subsatellites Okina and Ouna in elliptical orbits with perilunes of 100 km and apolunes of 2400 and 800 km respectively. Observations were obtained for 10 months during the nominal mission beginning in mid-December 2007 followed by 8 month extended mission where data were obtained in lower orbits.

The articles in this book were written by experts in each of the scientific areas of the Kaguya mission, and describe both the mission and the individual scientific investigations, including their objectives, the specifications of the instruments, their calibrations and initial results. This book is essential reading to all potential users of the Kaguya data and those interested in the scientific results of the mission, the properties of the lunar surface and crust and planetary exploration in general.

Safety and Quality in Medical Transport Systems - Creating an Effective Culture (Hardcover, New Ed): John W Overton Safety and Quality in Medical Transport Systems - Creating an Effective Culture (Hardcover, New Ed)
John W Overton
R4,943 Discovery Miles 49 430 Ships in 10 - 15 working days

The Commission on Accreditation of Medical Transport Systems (CAMTS) has been accrediting air and ground transport services since 1991. One of the most significant needs the Commission has recognized is to assist transport services in creating a culture that supports safety and quality for both crews and patients. Most of the helicopter EMS (emergency medical service) accidents and many ground ambulance accidents can be attributed to human factors and systems designs that lead to poor decision-making. Management commitment is vital to create and maintain a culture that supports risk assessment, accountability, professionalism and organizational dynamics. This reference book has been created by CAMTS to address this need directly and comprehensively. It offers a groundbreaking collection of expert insights and practical solutions that can be used by EMS, Fire and Rescue, public and private services, and professional emergency and transport professionals worldwide. Quoting from the foreword written by the late Robert L. Helmreich, Professor Emeritus of Psychology at The University of Texas Human Factors Research Project, 'This is an important book which should be required reading for everyone involved in patient transport, from managers and dispatchers to those at the sharp end... The experienced and able authors and editors of this work use culture as the overarching concept needed to maximize safety while delivering patients expeditiously.'

Aerospace Engineering (Hardcover): Killian Sullivan Aerospace Engineering (Hardcover)
Killian Sullivan
R2,745 R2,498 Discovery Miles 24 980 Save R247 (9%) Ships in 18 - 22 working days
New Results in Numerical and Experimental Fluid Mechanics XI - Contributions to the 20th STAB/DGLR Symposium Braunschweig,... New Results in Numerical and Experimental Fluid Mechanics XI - Contributions to the 20th STAB/DGLR Symposium Braunschweig, Germany, 2016 (Hardcover, 1st ed. 2018)
Andreas Dillmann, Gerd Heller, Ewald Kramer, Claus Wagner, Stephan Bansmer, …
R5,368 Discovery Miles 53 680 Ships in 18 - 22 working days

This book gathers contributions to the 20th biannual symposium of the German Aerospace Aerodynamics Association (STAB) and the German Society for Aeronautics and Astronautics (DGLR). The individual chapters reflect ongoing research conducted by the STAB members in the field of numerical and experimental fluid mechanics and aerodynamics, mainly for (but not limited to) aerospace applications, and cover both nationally and EC-funded projects. Special emphasis is given to collaborative research projects conducted by German scientists and engineers from universities, research-establishments and industries. By addressing a number of cutting-edge applications, together with the relevant physical and mathematics fundamentals, the book provides readers with a comprehensive overview of the current research work in the field. Though the book's primary emphasis is on the aerospace context, it also addresses further important applications, e.g. in ground transportation and energy.

Who Owns the Moon? - Extraterrestrial Aspects of Land and Mineral Resources Ownership (Hardcover, 2008 ed.): Virgiliu Pop Who Owns the Moon? - Extraterrestrial Aspects of Land and Mineral Resources Ownership (Hardcover, 2008 ed.)
Virgiliu Pop
R4,107 Discovery Miles 41 070 Ships in 18 - 22 working days

This work investigates the permissibility and viability of property rights on the - lestial bodies, particularly the extraterrestrial aspects of land and mineral resources ownership. In lay terms, it aims to ?nd an answer to the question "Who owns the Moon?" The ?rst chapter critically analyses and dismantles with legal arguments the issue of sale of extraterrestrial real estate, after having perused some of the trivial claims of celestial bodies ownership. The only consequence these claims have on the plane of space law is to highlight the need for a better regulation of extraterrestrial landed property rights. Next, thebook addresses theapparent silenceofthelawinthe?eldofextraterr- trial landed property, scrutinizing whether the factual situation on the extraterrestrial realms calls for legal regulations. The sources of law are examined in their dual dimension - that is, the facts that have caused and shaped the law of extraterrestrial real estate, and the norms which express this law. It is found that the norms and rules regarding property rights in the celestial realms are rather limited, failing to de?ne basic concepts such as celestial body.

Wind Tunnels: Models, Aerodynamics and Applications (Hardcover): Russell Mikel Wind Tunnels: Models, Aerodynamics and Applications (Hardcover)
Russell Mikel
R2,090 Discovery Miles 20 900 Ships in 10 - 15 working days
Current Developments in Air Navigation Services (Hardcover): Margaret Ziegler Current Developments in Air Navigation Services (Hardcover)
Margaret Ziegler
R1,804 Discovery Miles 18 040 Ships in 10 - 15 working days
Applied Mathematics in Aerospace Science and Engineering (Hardcover, 1994 ed.): Angelo Miele, Attilio Salvetti Applied Mathematics in Aerospace Science and Engineering (Hardcover, 1994 ed.)
Angelo Miele, Attilio Salvetti
R5,427 Discovery Miles 54 270 Ships in 18 - 22 working days

This book contains the proceedings ofthe meeting on "Applied Mathematics in the Aerospace Field," held in Erice, Sicily, Italy from September 3 to September 10, 1991. The occasion of the meeting was the 12th Course of the School of Mathematics "Guido Stampacchia," directed by Professor Franco Giannessi of the University of Pisa. The school is affiliated with the International Center for Scientific Culture "Ettore Majorana," which is directed by Professor Antonino Zichichi of the University of Bologna. The objective of the course was to give a perspective on the state-of the-art and research trends concerning the application of mathematics to aerospace science and engineering. The course was structured with invited lectures and seminars concerning fundamental aspects of differential equa tions, mathematical programming, optimal control, numerical methods, per turbation methods, and variational methods occurring in flight mechanics, astrodynamics, guidance, control, aircraft design, fluid mechanics, rarefied gas dynamics, and solid mechanics. The book includes 20 chapters by 23 contributors from the United States, Germany, and Italy and is intended to be an important reference work on the application of mathematics to the aerospace field. It reflects the belief of the course directors that strong interaction between mathematics and engineering is beneficial, indeed essential, to progresses in both areas."

Aircraft Noise - Assessment, Prediction and Control (Hardcover): Oleksandr Zaporozhets, Vadim Tokarev, Keith Attenborough Aircraft Noise - Assessment, Prediction and Control (Hardcover)
Oleksandr Zaporozhets, Vadim Tokarev, Keith Attenborough
R7,901 Discovery Miles 79 010 Ships in 10 - 15 working days

Aircraft noise has adverse impacts on passengers, airport staff and people living near airports, it thus limits the capacity of regional and international airports throughout the world. Reducing perceived noise of aircraft involves reduction of noise at source, along the propagation path and at the receiver.

Effective noise control demands highly skilled and knowledgeable engineers. This book is for them. It shows you how accurate and reliable information about aircraft noise levels can be gained by calculations using appropriate generation and propagation models, or by measurements with effective monitoring systems. It also explains how to allow for atmospheric conditions, natural and artificial topography as well as detailing necessary measurement techniques.

Essential Aerodynamics and Its Applications (Hardcover): Russell Mikel Essential Aerodynamics and Its Applications (Hardcover)
Russell Mikel
R2,088 Discovery Miles 20 880 Ships in 10 - 15 working days
Free Delivery
Pinterest Twitter Facebook Google+
You may like...
Soekenjin
Bibi Slippers Paperback R310 R277 Discovery Miles 2 770
Knapsekerels
Pieter Fourie Paperback R215 Discovery Miles 2 150
The Algebra Of Insignificance
Stephen Symons Paperback R180 R167 Discovery Miles 1 670
Right as Rain
Luellen Fletcher Paperback R323 R296 Discovery Miles 2 960
Your Silence Will Not Protect You…
Reni Eddo-Lodge Paperback R402 R366 Discovery Miles 3 660
Chrisalis - Gedigte
Christo van der Westhuizen Paperback R50 R47 Discovery Miles 470
What The Moon Gave Her
Christi Steyn Paperback R340 R308 Discovery Miles 3 080
Narreskip - Gedigte
Johan Myburg Paperback R250 Discovery Miles 2 500
Soul Seeker - Reflections on a Spiritual…
Perspectus Paperback R359 R340 Discovery Miles 3 400
Poetic Inquiry For The Human And Social…
Heidi van Rooyen, Kathleen Pithouse-Morgan Paperback R320 R295 Discovery Miles 2 950

 

Partners