TY  - BOOK
AU  - Bais,V.S..
AU  - Gupta,U.S..
TI  - Environment and pollution : impact assesment / 
SN  - 8172110103
U1  - 363.73 
PY  - 1991///
CY  - New Delhi : 
PB  - Northern Book Centre , 
KW  - POLLUTION
N1  - NULL
ER  -