TY  - BOOK
AU  - Joseph, Benny
TI  - Environmental science and engineering
SN  - 0070601690
U1  - 620.8 
PY  - 2006///
CY  - New delhi
PB  - Tata Mc.Graw-Hill Publishingco. Ltd.
KW  - Environmental engineering
KW  - Environmental sciences
KW  - Environmental sciences--Research
ER  -