H. Steinmetz, A. Drenkova-Tuhtan, B. Kuch, and C. Lange. Istanbul International Solid Waste, Water And Wastewater Congress,Turkey, Istanbul, 22.-24.05.2013, Book of Abstracts, (2013)
E. Laski, B. Kuch, and H. Steinmetz. Proceedings of the 13th IWA Leading Edge Conference on Water and Wastewater Technologies: Evaluating Impacts of Innovation, (2016)