Southwick, Charles H.
Ecology and the quality of our environment
D. Van Nostrand, 1972
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Kormondy, Edward J.
Concepts of ecology
Prentice-Hall, 1976
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Brewer, Richard
The science of ecology
Saunders College Publishing, 1994
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Krohne, David T.
General ecology
Brook/Cole, 2001
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Odum, Eugene Pleasants
Fundamentals of ecology
Brooks/Cole Cengage Learning, 2005
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