TY  - BOOK
AU  - Venugopala Rao, P
TI  - Textbook of environmental engineering
SN  - 8120319303
CY  - New Delhi
KW  - Air pollution
KW  - Ecology and Ecosystem
KW  - Environmental engineering
KW  - Management -- Environmental management
KW  - Pollution -- Air
KW  - Waste warer disposal
KW  - Water -- Drinking water
N1  - Includes bibliographical references and index
ER  -