TY  - BOOK
AU  - Venugopala Rao, P
TI  - Principles of Environmental Science & Engineering
U1  - 363.7 
PY  - 0000///New Delhi
CY  - 2006
PB  - Prentice-Hall of India
KW  - Social Science
KW  - Other social problems & servicesPhysics
KW  - General Stack
ER  -