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1.
Rates of photosynthesis and phytoplankton growth in Shagawa lake, Minnesota / Robert O. Megard by Series: EPA-R3-73-039
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : United States Government Printing Office, 1973
Availability: Items available for loan: National Library of India (1)Call number: U.S 363.7394 M 472 r.

2.
A manual on methods for measuring primary production in aquatic environments / edited by Richard A. Vollenweider with the collaboration of J. F. Talling and D. F. Westlake by Series: IBP handbook ; no. 12
Edition: 2nd ed.
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: London : Blackwell Scientific, 1974
Availability: Items available for loan: National Library of India (1)Call number: E574.52 V885.

                                                                           
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