Symposium on Waste Treatment by Oxidation Ponds Central Public Engineering Research Institute, Nagpur), & Central Public Health Engineering Research Institute (India). (1963). Proceedings. Central Public Health Engineering Research Institute.
Chicago-referens (17:e uppl.)Symposium on Waste Treatment by Oxidation Ponds Central Public Engineering Research Institute, Nagpur), och Central Public Health Engineering Research Institute (India). Proceedings. Nagpur: Central Public Health Engineering Research Institute, 1963.
MLA-referens (8:e uppl.)Symposium on Waste Treatment by Oxidation Ponds Central Public Engineering Research Institute, Nagpur), och Central Public Health Engineering Research Institute (India). Proceedings. Central Public Health Engineering Research Institute, 1963.