TY  - BOOK
AU  - Schroeder, Edward D.
TI  - Water and waste water treatment: Edward D. Schroeder
SN  - 0-07-055643-1.
U1  - 628.1, 
PY  - 1977///
CY  - New York
PB  - McGraw Hill
KW  - Water - purification Sewage - purification
ER  -