TY  - BOOK
AU  - Srivastava,Yogendra N., x
AU  - x
TI  - Environmental Pollution: x
SN  - 817024210x
U1  - 628.5/S774e 
PY  - 1989///
CY  - New Delhi
PB  - Ashish Pub.
KW  - Pollution, Environmental
N1  - Includes
ER  -