TY  - BOOK
AU  - Rao,C.S..
TI  - Environmental pollution control engineering / 
SN  - 8122403018
U1  - 363.7 
PY  - 1991///
CY  - New Delhi : 
PB  - Wiley Eastern , 
KW  - ENVIRONMENTAL POLLUTION
N1  - Includes index
ER  -