This book contains a selection of contributions presenting the latest research in the field of Computers in Education and, more specifically, in E-Learning. The topics covered range from proposals regarding the newest de facto standards in E-Learning - such as IMS Learning Design - to the more practical aspects of the design, i.e. implementations and the actual application of educational tools in real settings. The volume reflects the diverse scenario of the application of computers in the educational field by describing previous experiences and addressing some of the present key issues such as Learning Management Systems as well as more innovative aspects such as personalized or ubiquitous learning.

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

This book contains a selection of contributions presenting the latest research in the field of computers in education and, more specifically, in e-Learning. It reflects the diverse scenario of the application of computers in the educational field by describing previous experiences and addressing some of the present key issues. These include issues such as Learning Management Systems as well as innovative aspects such as personalized or ubiquitous learning.

La contaminacion ambiental esta poniendo en riesgo los principales recursos naturales sobre los que se sustenta la vida. Por ello es necesario establecer programas de biorremediacion y fitorremediacion de aquellos sitios en los que el impacto de la contaminacion es todavia reversible y economicamente viable. Esta obra aborda aspectos basicos y aplicados del empleo de microbios y plantas para la recuperacion de ambientes que son y seran fundamentales para una calidad de vida digna. Puede ver mas informacion en http: //www.librosenred.com/libros/biorremediacionestrategiascontralacontaminacionambiental.html. Este texto fue escrito sin tildes ni otros caracteres especiales para evitar errores con el navegador.]

Las enfermedades infecciosas fueron y son un factor determinante en el progreso de la sociedad. Tambien influyeron en la formacion de paises y en su desaparicion. Este texto fue escrito sin tildes ni otros caracteres especiales para evitar errores con el navegador.]

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