TY  - BOOK
AU  - Chhatwal,G.R
TI  - Encyclopaedia of Environmental Waste Pollution Vol. I / (Acc. 3644) 
U1  - 363.728 CHH 22
PY  - 1997///
CY  - New Delhi
PB  - Anmol Publications Pvt.Ltd
KW  - Environment
ER  -