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Population Dynamics of Physa Anatina Lea in a Natural Spring Community

Joyce F. Fleming

出版	School of Graduate and Professional Studies, Emporia State University, 1977
URL	http://books.google.com.hk/books?id=YtgOQEG14Z4C&hl=&source=gbs_api

註釋

Descriptors: Physa anatina Lea, population dynamics, Ross Spring, snails.