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.

Symposium on Waste Treatment by Oxidation Ponds Central Public Engineering Research Institute, Nagpur), and Central Public Health Engineering Research Institute (India). Proceedings. Nagpur: Central Public Health Engineering Research Institute, 1963.

Symposium on Waste Treatment by Oxidation Ponds Central Public Engineering Research Institute, Nagpur), and Central Public Health Engineering Research Institute (India). Proceedings. Central Public Health Engineering Research Institute, 1963.