- Author: Christian Schittich, Andrea Wiegelmann, Walter Stamm-Teske, Lars-Christian Uhlig, Patrick Jung
- Language: English
- Year: 2006
- Author: Christian Schittich
- Language: English
- Year: 2011
- Author: Christian Schittich
- Language: English
- Year: 2003
- Author: Christian Schittich
- Language: English
- Year: 2013
- Author: Christian Schittich
- Language: English
- Year: 2009
- Author: Christian Schittich (editor)
- Language: German
- Year: 2008
- Author: Christian Schittich
- Language: German
- Year: 2014
- Author: Christian Schittich
- Language: English
- Year: 2007
- Author: Christian Schittich (editor)
- Language: English
- Year: 2008
- Author: Christian Schittich (Ed)
- Language: English
- Year: 2002