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	1.	No cover image available Modeling dynamics of biological and chemical components of aquatic ecosystems / by Ray R. Lassiter by Lassiter, Ray R Series: Ecological research series Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D. C. : United States Government Printing Office, 1975 Availability: Items available for loan: National Library of India (1)Call number: U.S 628.168370973 L 337. Place hold Request article Save to lists
	2.	No cover image available The potential effects of clearing and snagging on stream ecosystems / by G. Richard Marzolf by United States. Fish and Wildlife Service Marzolf, G. Richard U.S. Fish and Wildlife Service. Office of Biological Services United States. Biological Services Program National Stream Alteration Project U.S. Govt. Print. Off [pbl] Series: Biological Services Program FWS/OBS ; 78/14 Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Missouri : U.S. Govt. Print. Off., 1978 Availability: Items available for loan: National Library of India (1)Call number: US 577.640973 Un 31. Place hold Save to lists

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