01011nam a2200217 4500008004100000100002000041245016600061260012900227300003000356440004500386500009300431504003000524500004500554650001900599650003600618700002300654710008900677003000100766005001700767040000900784 1 aGanczarczyk, J.10aAerobic digestion of organic waste sludge,cby Oklahoma State University, College of Engineering, School of Civil Engineering. [Authors: Q. B. Graves and others. aWashington,bU.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off.,c1971 [i.e 1972] axiv, 176p.billus.c28cm. 0aWater pollution control research series. a"[Prepared] for the Office of Research and Monitoring, Environmental Protection Agency." aBibliography: p. 171-172. aSupt. of Docs.no: EP 1.16:17070DAU12/71. 0aSewage sludge. 0aSewagexPurificationxAeration.10aGraves, Quintin B.10aUnited States.bEnvironmental Protection Agency.bOffice of Research and Monitoring.20230123124940.0 cNUST