TY  - BOOK
AU  - Rajagopalan, R.
TI  - Environment and Ecology :forUP technical university 
SN  - 9780198061137
U1  - 577 
PY  - 2009///
CY  - New Delhi
PB  - Oxford University
KW  - Ecology
KW  - Environmental Science
KW  - Enviornmental Science
N1  - index included
ER  -