TY  - BOOK
AU  - Manjunath, D. L.
TI  - Environmental studies
SN  - 9788131709122
U1  - 628 MAN 
PY  - 2009///
CY  - : Delhi, 
PB  - Pearson.
KW  - Environmental engineering
KW  - , Manjunath, D. L
KW  - , and Environmental Studies
ER  -