Alex, J.; Holm, N.; Pastagiya, H. (2010). First results of the development of a combined high rate biomass-algal model for wastewater treatment applications, WWTmod 2010, 28.-30.03.2010, Quebec/ Canada
Alex, J.; Langergraber, G.; Ahnert, M.; Keysers, C.; Schmuck, S.; Reichel, M.; Dürrenmatt, D. (2011). Applications for a semi mechanistic dry weather influent model, Watermatex – 8th IWA Symposium on Systems Analysis and Integrated Assessment, 20.-22.06.2011, San Sebastian, Spain, 699–707
Alex, J.; Ormandzhieva, Z.; Schütze, M. (2014). Modelling and simulation of new sanitation concepts, 13th International Conference on Urban Drainage, Surawak, Malaysia, 7.-12. September 2014
Alex, J.; Rieger, L. (2013). Modellgestützte Regelung der Dosierung von Kohlenstoffquellen für mehrstufige Anlagen zur weitergehenden Stickstoffelimination, DWA-GMA-Gemeinschaftstagung Mess- und Regelungstechnik in abwassertechnischen Anlagen, 15.-16.10.2013, DWA, Fulda
Alex, J.; Ogurek, M.; Rieger, L.; Schütze, M.; Schraa, O. (2015). A novel integrated approach for designing, testing and implementing WRRF process control solutions, WEFTEC, 28.-30.09.2015, WEFTEC, Chicago
Alex, J.; Ogurek, M.; Seick, I.; Kujawski, O. (2013). Modeling of biogas plants in engineering practice, 11th IWA conference on instrumentation control and automation, 18.-20.09.2013, Narbonne, France