TY  - BOOK
AU  - Sharma, P.D.
TI  - Ecology and environment
SN  - 8171338143
U1  - 577.14 
PY  - 2005///
CY  - Meerut
PB  - Rastogi publications
KW  - Applied Sc
KW  - Chemistry
KW  - Environmental Science
ER  -