TY  - BOOK
AU  - DAS, R . C
AU  - BEHERA, D . K
TI  - ENVIRONMENTAL SCIENCE ; PRINCIPLES AND PRACTICE / 
SN  - 9788120333307
U1  - 363.7 
PY  - 2008///
CY  - NEW DELHI
PB  - PRENTICE-HALL OF INDIA LTD
KW  - ENVIRONMENTAL SCIENCE
ER  -