Use of iron salts for control of activated sludge bulking, caused by SphaerotilusJohn T. Pfeffer · First published 1977Open the Tome
Biological conversion of organic refuse to methaneJohn T. Pfeffer, Jon C. Liebman, University of Illinois at Urbana-Champaign. Dept. of Civil Engineering, National Science Foundation (U.S.). Research Applied to National Needs Program · First published 1975Open the Tome
