J. Kappeler

Estimation of kinetic parameters of heterotrophic biomass under aerobic conditions and characterization of wastewater for activated sludge modeling

Willi Gujer, W. Gujer, J. Kappeler, 1992 .

Temperature Effects on Wastewater Characterization and the Release of Soluble Inert Organic Material

W. Gujer, J. Kappeler, U. Sollfrank, 1992 .

Scumming due to actinomycetes: Towards a better understanding by modelling

W. Gujer, J. Kappeler, 1994 .

Bulking in Activated Sludge Systems: A Qualitative Simulation Model for Sphaerotilus natans, Type 021N and Type 0961

Willi Gujer, W. Gujer, J. Kappeler, 1992 .