TY  - BOOK
AU  - Das, R C.
AU  - Behera,  D. K.
TI  - Environmental science: Principles and practice
SN  - 9788120333307
AV  - TD174.D37 2008 
PY  - 2008///
CY  -  New Delhi
PB  - Prentice -Hall
KW  - 1. Environmental science
N1  - Includes index
ER  -