01574oam 2200433 a 450 991069315560332120050215083858.0(CKB)5470000002359959(OCoLC)57349431ocm57349431(OCoLC)995470000002359959(EXLCZ)99547000000235995920041230d2004 ua 0engurmn||||||txtrdacontentcrdamediacrrdacarrierFractionation and characterization of organic matter in wastewater from a swine waste-retention basin[electronic resource] /by Jerry A. Leenheer and Colleen E. RostadReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2004.Scientific investigations report ;2004-5217Title from title screen (viewed on Feb. 15, 2005).Includes bibliographical references.Organic water pollutantsIowaWaterPollutionIowaAnimal wasteEnvironmental aspectsIowaOrganic water pollutantsWaterPollutionAnimal wasteEnvironmental aspectsLeenheer J. A1381447Rostad Colleen E1381448Geological Survey (U.S.)GISGISGPOBOOK9910693155603321Fractionation and characterization of organic matter in wastewater from a swine waste-retention basin3424077UNINA01213nam 2200397 450 991082906040332120200520144314.01-56484-527-3(CKB)4100000007189317(MiAaPQ)EBC5880792(Au-PeEL)EBL5880792(OCoLC)1114970714(EXLCZ)99410000000718931720190921d2015 uy 0engurcnu||||||||txtrdacontentcrdamediacrrdacarrierFlipped learning for science instruction /Jonathan Bergmann, Aaron SamsEugene, Oregon ;Arlington, Virginia :International Society for Technology in Education,[2015]20151 online resource (49 pages)Includes bibliographical references.ScienceStudy and teachingScienceStudy and teaching.507.1Bergmann Jonathan1597691Sams AaronMiAaPQMiAaPQMiAaPQBOOK9910829060403321Flipped learning for science instruction3995285UNINA