Search Results for the EPA National Library Catalog

Items Found: 3

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Your Search: (AUTHOR=Hansen AND Stephen AND R.)


Select Item Title Year Published
Ability of Standard Toxicity Tests to Predict the Effects of the Insecticide Diflubenzuron on Laboratory Stream Communities. 1982
Effects of Diflubenzuron on a Complex Laboratory Stream Community. 1981
Screening for Toxic Effects on Interspecies Interactions: A Mechanistic or an Empirical Approach. 1981

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