TY  - BOOK
AU  - P.D. Sharma
TI  - Ecology and environment
SN  - 81-7133-645-0
U1  - 574.5 
PY  - 2003///
CY  - Meerut
PB  - Rastogi Publications
N1  - P.D. Sharma: Ecology and environment.  (7th Ed)  Meerut.  Rastogi Publications, 2003. 81-7133-645-0 Rs. 180.00--(574.5SHA)
ER  -