Search Results for the EPA National Library Catalog

Items Found: 2

Showing: Items 1 - 2

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

Save, Print or Email Selected Records