TY  - BOOK
AU  -  Masters, Gilbert M.
AU  - Ela, Wendell P.
TI  - Introduction To Environmental Engineering And Science: Gilbert M. Masters
SN  - 9788129702777
U1  - 628 M394i2 
PY  - 2004///
CY  - New delhi
PB  - Pearson  
KW  - Environmental Engineering
KW  - Environmental sciences
KW  - Environmental protection
ER  -