Search Results for the EPA National Library Catalog

Items Found: 6

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Your Search: (AUTHOR=Ricklefs AND Robert AND E.)

 
 
 

Select Item Title Year Published
Ecology 1973
Ecology / 1979
Ecology / 2000
Economy of nature : a textbook in basic ecology / 1993
Environment and population; problems and solutions 1973
The economy of nature : a textbook in basic ecology / 1976

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