TY  - BOOK
AU  - Ahluwalia, V.K.
TI  - Environmental studies ; basic concepts
SN  - 9788179933213
U1  - 363.7 A34E 
PY  - 2013///
CY  - New Delhi
PB  - The Energy and Resources Institute
KW  - ENVIRONMENTAL SCIENCES
KW  - ENVIRONMENTAL PROTECTION
ER  -