TY  - BOOK
AU  - Venugopal Rao P
TI  - Principles of Environmental Science and Technology: by Venugopal Rao P
U1  -  628. 20 VEN 22
PY  - 2006///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Electronics and Communication
ER  -