01015cam a22002531 4500 sa 66004653 DLC 20260227112244.0 820310s1963 ii a 100 0 eng sa 66004653 PL480:I-E-5855 (OCoLC)10397535 DLC MnU DLC premarc TD755 .S92 1963 Symposium on Waste Treatment by Oxidation Ponds ((1963 : : Central Public Engineering Research Institute, Nagpur)) Proceedings. Nagpur, Central Public Health Engineering Research Institute [1963] 1 v. (various pagings) illus. 24 cm. Cover title. Jointly sponsored by the Central Public Health Engineering Research Institute, Nagpur, and the Public Health Engineering Division and Nagpur Branch of the Institution of Engineers (India). Sewage lagoons Congresses. Central Public Health Engineering Research Institute (India) 69532 69532