This book, first published in 1983, incorporates a wealth of reference material - keys, nomograms, tables, charts - likely to be needed in the field for actual fieldwork. The widest possible coverage of material is provided in anticipation of problems that individual specialists will encounter on the periphery of their main areas of interest.

This book, first published in 1983, incorporates a wealth of reference material - keys, nomograms, tables, charts - likely to be needed in the field for actual fieldwork. The widest possible coverage of material is provided in anticipation of problems that individual specialists will encounter on the periphery of their main areas of interest.