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

Alex, J.; Robleto, G.; Schütze, M. (2010). Sustainable Planning and Management of the complex water and wastewater system of the megacity of Lima – based on Macro-modelling and Simulation, IFAC Workshop on Intelligent Control Systems WICS2010, 29.09.-02.10.2010, Sinaia/Rumänien

Hübner, C.; Suchold, N.; Alex, J.; Thron, M.; Zipper, H.; Rieger, L. (2018). Offene Plattform für die Prozessoptimierung - Digitaler Zwilling im Wassermanagement 4.0, AUTOMATION 2018, Seamless Convergence of Automation & IT, 03.-04.07.2018, VDI Verlag GmbH, Baden-Baden