TY  - BOOK
AU  - Ahluwalia,V.K., Malhotra,Sunita
AU  - x
TI  - Environmental science: x
SN  - 8180522113
U1  - 620.8/A285e 
PY  - 2006///
CY  - New Delhi
PB  - Ane Books
KW  - Environmental sciences
N1  - Includes
ER  -