TY  - BOOK
AU  - Tiwari, S K
TI  - Environmental science
SN  - 9788126914753
U1  - 910.13337 Q1.1 - .2 
PY  - 2011///
CY  - New Delhi
PB  - Atlantic Publishers
KW  - Environment
KW  - Environmental studies
KW  - Title
ER  -