TY  - BOOK
AU  - Rao,P.Venugopala
TI  - Textbook of environmental engineering
SN  - 8120319303
U1  - 628 22
PY  - 2005///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - environmental engineering
N1  - Includes bibliographical references and Index
ER  -