Alex, J.; Rieger, L.; Schraa, O. (2016). Comparison of Advanced Fine-Bubble Aeration Control Concepts with Respect to Energy Efficiency and Robustness, WEFTEC 2016, Session 405: Keeping Aeration Under Control, 24.-28.09.2016, New Orleans, USA
Alex, J.; Rieger, L.; Bott, C. (2013). A New Model-based Approach to Control Methanol Dosage at multi-stage WWTPs, 11th IWA conference on instrumentation control and automation, 18.-20.09.2013, Narbonne, France
Alex, J.; Ogurek, M. (2015). Incorporating LCA into Process Simulators, WEFTEC 2015, Workshop on Knowledge Development Forum: The Future of Modeling at Water Recourse Recovery Facilities, 27.09.2015, WEFTEC, Chicago, USA
Alex, J. (2010). Regelungstechnische Anpassung von Kläranlagen an Über- und Unterlast, Dresdner Kolloquium zur Siedlungswasserwirtschaft, 29.-30.09.2010, Dresden
Alex, J.; Robleto, G.; León, C.; Rodriguez, I.; Schütze, M. (2011). Sustainable Planning and Management of complex urban water systems based on Macro-modelling, Simulation and Stakeholder participation – the case of the megacity of Lima, Watermatex – 8th IWA Symposium on Systems Analysis and Integrated Assessment, 20.-22.06.2011, San Sebastian/Spain, 820–824
Alex, J.; Ogurek, M.; Schütze, M. (2015). Eine neue Simulationsplattform für die gemeinsame Simulation von Verfahrenstechnik und MSR-Maßnahmen für abwassertechnische Anlagen, DWA-GMA-Gemeinschaftstagung "Mess- und Regelungstechnik in abwassertechnischen Anlagen", DWA, Kassel