02179oam 2200649 450 991070627400332120171121121821.0(CKB)5470000002455695(OCoLC)644297733(OCoLC)301138065(OCoLC)995470000002455695(EXLCZ)99547000000245569520100626d1980 ua 0engurbn||||||abptxtrdacontentcrdamediacrrdacarrierFreshwater micro-ecosystem development and testing of substitute chemicals /by Allan R. Isensee and Ronald S. YockimDuluth, Minnesota :Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency,1980.1 online resource (ix, 28 pages) illustrationsEcological research series ;EPA-600/3-80-008"January 1980.""Project Officer: John G. Eaton."Includes bibliographical references (page 27).Aquatic ecologyAquatic biologyPesticidesToxicologyPesticidesBiodegradationAquatic biologyfastAquatic ecologyfastPesticidesBiodegradationfastPesticidesToxicologyfastOnline resources.Aquatic ecology.Aquatic biology.PesticidesToxicology.PesticidesBiodegradation.Aquatic biology.Aquatic ecology.PesticidesBiodegradation.PesticidesToxicology.Isensee Allan R.1385902Yockim Ronald S.Environmental Research Laboratory (Duluth, Minn.),OCLCEOCLCEOCLCQOCLCOOCLCQOCLCFOCLCQGPOMERUCBOOK9910706274003321Freshwater micro-ecosystem development and testing of substitute chemicals3434344UNINA