TY  - BOOK
AU  - Rao,Venugopala
TI  - Textbook of Environmental Engineering / 
SN  - 8120319303
U1  - 628 
PY  - 2005///.
CY  - new delhi : 
PB  - Prentice Hall of india private lim, 
KW  - ENGINEERING.
N1  - INCLUDES INDEX
ER  -