TY - BOOK ED - Symposium on Waste Treatment by Oxidation Ponds ED - Central Public Health Engineering Research Institute (India) TI - Proceedings AV - TD755 .S92 1963 PY - 1963///] CY - Nagpur PB - Central Public Health Engineering Research Institute KW - Sewage lagoons KW - Congresses N1 - 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) ER -