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

Alex, J.; Ogurek, M.; Pabst, M.; Niclas, C.; Peikert, D.; Schütze, M.; Bär, T. (2011). ADESBA – A new general global control sys­tem applied to the Hildesheim sewage system, 12th International Conference on Urban Drai­nage, 11.-16.09.2011, Porto Alegre/Brasil

Alex, J.; Ogurek, M.; Schütze, M. (2014). Demonstration und Nutzereinführung zu dem neuen Simulator SIMBA#W Demonatration des Biogassimulators SIMBA#B, 21. SIMBA-Anwendertreffen, 20.-21.05.2014, ifak, Erfurt

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.; Erbe, V.; Kühn, V.; Alt, K.; Armbruster, M.; Baumann, P.; Hennerkes, J.; Seggelke-Krebs, K.; Svardal, K.; Günther, N. (2016). DWA (2016): DWA-Themen: Technische Maßnahmen zur Behandlung von erhöhten Mischwasserabläufen in der Kläranlage. T3, DWA, Hennef

Alex, J.; Uhlenhut, F.; Schlaak, M.; Wichern, M.; Lübken, M. (2012). Simulation von Biofilmverfahren, gwf-Wasser|Abwasser, Bde. 153 (6):714–723