TY  - BOOK
AU  - Viswanathan,P.
TI  - Environmental biology
SN  - 8187957107(pbk)
U1  - 577.27 22
PY  - 2008///
CY  - Puducherry
PB  - Virat Pub.
KW  - Pollution
KW  - Environmental aspects
KW  - Ecology
ER  -