TY  - BOOK
AU  - Garg, M.R ed.
AU  - Bansal, V.K ed.
AU  - Tiwana, N.S ed.
TI  - Environmental pollution and protection
SN  - 8171005276
U1  - 577.27 
PY  - 1997///
CY  - New Delhi
PB  - Deep & Deep
ER  -