1. Organic matter removal by powdered activated carbon added to activated Sludge;DeWalle;J. Wat. Pollut. Control Fed.,1977
2. A methodology for comparing powdered activated carbons for activated sludge addition;Flynn Brian,1974
3. Finding a home for the carbon: aerator (powdered) or column (granular);Flynn Brain,1976
4. Truth or consequences: biological fouling and other considerations in the powdered activated carbonactivated sludge system;Flynn Brian,1976
5. Biological regeneration of powdered activated carbon added to activated sludge units;Foppe;Water Res.,1977