Henry Sherring Pratt - 1935 - Visualizzazione frammento
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Fresh-water invertebrates of the United States: protozoa to molluscaA comprehensive work on free-living American fresh-water invertebrates. Emphasis is on the natural history, ecology, and taxonomy. Updated Third Edition contains major revisions for such taxa as porifera, annelida, gastropoda, and copepoda ... | |||
Fundamentals of ecologyA college text which provides a comprehensive overview of the principles and concepts of ecology, environments, and ecological technology | |||