Seth, G.K.

Seth, G.K. & Saraf, R.K., 1973. Proceedings of a symposium on environmental pollution (CPHERI, Nagpur : January 17-19, 1973), Nagpur, India: Central Public Health Engineering Research Institute. Available at: https://www.ircwash.org/sites/default/files/72CPHER73-12.3.pdf.