- Author: Erwin Riedel, Hans-Jürgen Meyer
- Language: German
- Year: 2018
- Author: Erwin Riedel, Hans-Jürgen Meyer
- Language: German
- Year: 2013
- Author: Christoph Janiak (editor), Thomas Klapötke (editor), Hans-Jürgen Meyer (editor), Ralf Alsfasser (editor), Erwin Riedel (editor)
- Language: German
- Year: 2008