- Author: Olaf Zimmermann, Mirko Stocker
- Language: English
- Year: 2021
- Author: Ansgar Klein Olaf Zimmermann (eds.)
- Language: German
- Year: 2017
- Author: Olaf Zimmermann Mark Tomlinson Stefan Peuser (auth.)
- Language: English
- Year: 2003
- Author: Olaf Zimmermann
- Language: German
- Year: 2008