Search Results for the EPA National Library Catalog

Items Found: 4

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Your Search: (SUBJECT=Hydra)

 
 
 

Select Item Title Year Published
Biology of hydra. 1973
Effluent and Ambient Toxicity Testing in the Goeta Aelv and Viskan Rivers, Sweden. 1987
HYDRA: Dynamic Model for Urban Hydrologic Systems. 1973
Hydroids of the Pacific coast of Canada and the United States, 1937

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