E. Rott, C. Lange, B. Kuch, R. Minke, and H. Steinmetz. Istanbul International Solid Waste, Water And Wastewater Congress,Turkey, Istanbul, 22.-24.05.2013, Book of Abstracts, (2013)
C. Locher, R. Minke, and H. Steinmetz. Conference Proceedings of the 1st International Conference on Anaerobic Digestion of Waste and Wastewater, Anaerobic Digestion Asia 2010, Bangkok, (2010)