TY  - BOOK
AU  - Bakshi, D.N. Guha
AU  - Sen, Subir
AU  - Benerjee, Samar Kumar
TI  - A textbook of Environmental Science
U1  - 574.5 
PY  - 2000///
CY  - Calcutta
PB  - Calcutta Book House
KW  - Environmental Sciences
ER  -