TY  - BOOK
AU  - Singh,Alam,ed.
TI  - Environmental science and engineering
SN  - 0970-0668
U1  - 628 
PY  - 1987///
CY  - Jodhpur
PB  - IBT
KW  - Environmental enginnering
KW  - Environmental health
KW  - Pollution
N1  - Include Biblographical references
ER  -