Encyclopaedia of environmental pollution and its control - Chhatwal, G. R. (New Delhi : Anmol, 1989)
v. 1 Air Polllution, v. 2 Water Pollution, v. 3 Noise Pollution, v. 4 Land and Marine Pollutiuon, v. 5 Radiation and Thermal Pollution, v. 6 Environmental Analysis
Keywords: Pollution