TY  - BOOK
AU  -  Sharma,P.D.
TI  -  Ecology and Environment / 
SN  -  9788171339051
U1  -  574.5 
PY  - 2008///
CY  -  New Delhi : 
PB  -  Rastogi Publications , 
KW  -  Ecology
KW  -  Environment
N1  -  Includes index
ER  -