TY  - BOOK
AU  -  Masters, Gilbert M.
AU  - Ela, Wendell P.
TI  - Introduction to environmental engineering and science: Gilbert M. Masters
SN  - 9788120336919
U1  - 628 M394i3 
PY  - 2008///
CY  - New delhi
PB  - PHI Learning Pvt. Ltd
KW  - Environmental Engineering
KW  - Environmental sciences
KW  - Environmental protection
ER  -