TY  - BOOK
AU  - Masters, Gilbert M.
AU  - Ela, Wendell P.
TI  - Introduction to environmental engineering and science
SN  - 9788120336919
U1  - 628 MAS-G 
PY  - 2008///
CY  - India
PB  - Prentice Hall of India
KW  - Environmental engineering
KW  - Environmental sciences
KW  - Environmental protection
ER  -