TY  - BOOK
AU  - Venugopala Rao, P 
TI  - Principles of Environmental Science and Engineering
SN  - 9788120328938 
U1  - 333.7 :628 
PY  - 2006///
CY  - New Delhi : 
PB  - Prentice Hall, 
KW  - Environmental engineering.
KW  - Environmental sciences
N1  - Included Index
N2  - PRINCIPLES OF ENVIRONMENTAL SCIENCE AND ENGINEERING-PHI-P. VENUGOPALA RAO-2006-EDN-1

ER  -