TY  - BOOK
AU  - Trivedi, R. N.,
TI  - Text Book of Environmental Science
SN  - 8174885447
U1  - 551 
PY  - 1997///
CY  - New Delhi
PB  - Anmol Publications Pvt. Ltd.
KW  - Environmental Science
KW  - Geology, hydrology & meteorology
ER  -