
- Author: Christian Schittich (editor)
- Language: German
- Year: 2015

- Author: Christian Schittich (editor)
- Language: English
- Year: 2016

- Author: Christian Schittich (editor)
- Language: German
- Year: 2010

- Author: Christian Brensing (editor), Christian Schittich (editor)
- Language: English
- Year: 2013

- Author: Christian Schittich (editor)
- Language: German
- Year: 2014

- Author: Christian Schittich (editor)
- Language: English
- Year: 2012

- Author: Christian Schittich (editor)
- Language: German
- Year: 2016

- Author: Christian Schittich (editor)
- Language: German
- Year: 2017

- Author: Christian Schittich (editor)
- Language: German
- Year: 2015