1. Mechanism and kinetics of substrate utilization at high biological solid concentrations;Krishnan,1966
2. Diffusion into microbial aggregates;Matson;Water Res.,1976
3. Nominal floc diameter related to oxygen transfer;Mueller;J. Sanitation Eng. Div., Am. Soc. Civ. Eng.,1966
4. Effluent quality variation from multicomponent substrate in activated sludge process;Siber;Water Res.,1980
5. Linear substrate removal in activated sludge process;Tischler,1968