books.google.co.uk - The third edition of Ecology and Classification of North American Freshwater Invertebrates continues the tradition of in-depth coverage of the biology, ecology, phylogeny, and identification of freshwater invertebrates from the USA and Canada. This edition is in color for the first time and includes...http://books.google.co.uk/books/about/Ecology_and_classification_of_North_Amer.html?id=iOI9ifbikoQC&utm_source=gb-gplus-shareEcology and classification of North American freshwater invertebrates
