- Volker Wohlgemuth, Bernd Page, Kristina Voigt, editors, Environmental Informatics and Industrial Environmental Protection: Concepts, Methods and Tools, EnviroInfo 2009, Berlin, Germany, September 9-11, 2009, Part 1. Shaker Verlag, Aachen, 2009.
- Volker Wohlgemuth, Bernd Page, Kristina Voigt, editors, Environmental Informatics and Industrial Environmental Protection: Concepts, Methods and Tools, EnviroInfo 2009, Berlin, Germany, September 9-11, 2009, Part 2. Shaker Verlag, Aachen, 2009.