TY  - BOOK
AU  - Asthana,D.K., Asthana,Mura
AU  - x
TI  - Environment: Problems and Solutions: x
SN  - 8121916542
U1  - 628.5/A282 e 
PY  - 2001///
CY  - New Delhi
PB  - S. Chand
KW  - Pollution
KW  - Environment
N1  - Includes
ER  -