TY  - GEN
AU  - Santra, S. C.
TI  - Environmental science: : for students of Indian universities
SN  - 817381404X
U1  - 577 
PY  - 2008///
CY  - Kolkata
PB  - New central book agency
KW  - Ecology
KW  - Environmental movements
N1  - PB
ER  -