TY  - BOOK
AU  - Rao,P.Venugopala
TI  - Textbook of environmental engineering
SN  - 8120319303
PY  - 2002///
CY  - New Delhi, India
PB  - Prentice-Hall of India
KW  - Pollution
KW  - Environmental engineering
KW  - Sanitary engineering
N1  - Includes bibliographical references and index
ER  -