- Author: Sabine Ipsen-Peitzmeier (editor), Markus Kaiser (editor)
- Language: German
- Year: 2015
- Author: Markus Kaiser (editor)
- Language: German
- Year: 2015
- Author: Markus Kaiser (editor), Michael Schönhuth (editor)
- Language: German
- Year: 2015
- Author: Markus Kaiser (editor)
- Language: German
- Year: 2015