TY  - BOOK
AU  - Behera, D.K.
AU  - Das, R.C.
TI  - Environmental Science: principles and practice
SN  - 9788120333307
U1  - 628 
PY  - 2008///
CY  - New Delhi
PB  - PHI
KW  - Environmental Science
KW  - Enviornmental Science
ER  -