TY  - BOOK
AU  - Chhatwal,G.R.
TI  - Encyclopaedia of environmental waste pollution / 
SN  - 8174884394
U1  - 614.76 CHH 
PY  - 1997///
CY  - New Delhi : 
PB  - Anmol Publications, 
KW  - Pollution--Environmental aspects
KW  - Pollution--Environmental aspects--Encyclopedias
ER  -