TY  - BOOK
AU  - Masters, Gilbert M.
AU  - Masters gilbert ,M. 
TI  - Introduction to environmental engineering and sicence 2nd ed
SN  - 9788120326002
U1  - 628 
PY  - 1998///
CY  - NEW DELHI
PB  - PRENTICE-HALL OF INDIA
KW  - Electronics
ER  -