TY  - BOOK
AU  - R. C. Das and D. K. Behera
TI  - Environmental Science: Principles and Practice
SN  - 978-81-203-3330-7
U1  - 577 
PY  - 2008///
CY  - New Delhi
PB  - Prentice Hall of India Pvt. Ltd.
KW  - HUMANITIES & SCIENCE
ER  -