Modifications of models predicting trophic state of lakes : adjustment of models to account for the biological manifestations of nutrients

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245	0	0	‡aModifications of models predicting trophic state of lakes : ‡badjustment of models to account for the biological manifestations of nutrients / ‡cS.C. Hern ... [et al.]
260	⊔	⊔	‡aLas Vegas, Nev. : ‡bU.S. Environmental Protection Agency, Research and Development, Environmental Monitoring Systems Laboratory ; ‡aCincinnati, Ohio : ‡bCenter for Environmental Research Information [distributor], ‡c1981.
300	⊔	⊔	‡a38 p. ; ‡c28 cm.
538	⊔	⊔	‡aMode of access: Internet.
650	⊔	0	‡aEutrophication ‡zUnited States.
650	⊔	0	‡aLake ecology.
650	⊔	0	‡aWater quality ‡zUnited States.
650	⊔	0	‡aPhytoplankton ‡zUnited States.
700	1	0	‡aHern, S. C.
710	2	0	‡aEnvironmental Monitoring Systems Laboratory (Las Vegas, Nev.)
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