- Author: Holger Siekmann Dirk Uhlmann Katharina Bolte Rüdiger Neef Olaf Richter
- Language: German
- Year: 2019
- Author: Olaf Richter Dirk Uhlmann
- Language: German
- Year: 2018
- Author: Dr. Olaf Richter Prof. Dr. Dirk Uhlmann (eds.)
- Language: German
- Year: 2015
- Author: Christian Klein, Olaf Richter
- Language: English
- Year: 2005