- Author: Ludger Lieb (editor), Stephan Müller (editor)
- Language: German
- Year: 2002
- Author: Norbert Kössinger (editor), Elke Krotz (editor), Stephan Müller (editor)
- Language: German
- Year: 2015
- Author: Norbert Kössinger (editor), Elke Krotz (editor), Stephan Müller (editor)
- Language: German
- Year: 2015