TY  - BOOK
AU  - Rao,Venugopala
TI  - Textbook of environmental engineering
SN  - 8120319303 (paperback)
PY  - 2004///
CY  - [S.l.]
PB  - Prentice-Hall of India Pvt.Ltd
UR  - http://www.amazon.com/exec/obidos/ASIN/8120319303/chopaconline-20
ER  -