Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Ceratophyllum)

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Select Item	Title	Year Published
1	Biological Fixation and Transformation of Nitrogen in Small Impoundments.	1970
2	Growth and Mineral Accumulation of Submersed Vascular Hydrophytes in Pleioeutrophic Environs.	1972
3	Nitrogen Turnover in Impoundments.	1973

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