TY  - BOOK
AU  - Bargman,Robert D.
AU  - Borgerding,Joseph
ED  - United States.
TI  - Characterization of the activated sludge process
U1  - 628.366 
PY  - 1973///
CY  - Washington
PB  - United States Government Printing Office
KW  - Sewage disposal
N1  - EPA-R2-73-224
ER  -