Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Nostoc)

Select Item Title Year Published
Environmental Control of Nitrogen Fixation in Lakes: I. In situ Nitrogen Fixation by Free Living Blue-Green Algae. II. Nitrogen Fixation by the Duck-Weed-Algal Association. 1974
Utilization of Phosphorus by Phytoplankton in Phosphorus-Rich Environments. 1974

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