TY  - GEN
AU  - Chhatwal, G. R.
TI  - Encyclopaedia of environmental waste pollution, Vol. I
SN  - 9788174884394
U1  - 363.703 
PY  - 1997///
CY  - New Delhi
PB  - Anmol Pub.
KW  - ENVIRONMENTAL POLLUTION
KW  - SOCIAL PROBLEMS
ER  -