Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Helgen AND J AND C)


 
 
 
Select Item Title Year Published
Effects of Pentachlorophenol on Invertebrates and Fish in Outdoor Experimental Channels. 1985
Responses of zooplankton and 'Chaoborus' to temephos in a natural pond and in the laboratory / 1988

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