
- Author: Regula Schmidlin (editor), Heike Behrens (editor), Hans Bickel (editor)
- Language: German
- Year: 2015

- Author: Regula Schmidlin (editor), Heike Behrens (editor), Hans Bickel (editor)
- Language: German
- Year: 2015

- Author: Heike Behrens (editor), Stefan Pfänder (editor)
- Language: English
- Year: 2016

- Author: Heike Behrens (editor), Stefan Pfänder (editor)
- Language: English
- Year: 2016