Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Tjepkema AND J AND P)


 
 
 
Select Item Title Year Published
Biota of freshwater ecosystems : identification manual / 1972
Genera of freshwater nematodes (Nematoda) of eastern North America / 1976
Genera of freshwater nematodes (Nematoda) of eastern North America / 1973

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