Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Helfgott AND T)

 
 
 

Select Item Title Year Published
An index of refractory organics / 1977
Proceedings : First Wetlands Conference, June 20, 1973 / 1973
Proceedings: Wetlands Conference (1st) Held on June 20, 1973 at Storrs, Connecticut. 1973

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