
- Author: Utz Schäffer (auth.)
- Language: English
- Year: 2008
- Author: Timo Grund Avo Schönbohm Khai Tran
- Language: German
- Year: 2020
- Author: Clemens Müller
- Language: German
- Year: 2020
- Author: Florian Tellge
- Language: German
- Year: 2020
- Author: Stefan Behringer
- Language: German
- Year: 2020
- Author: Ralf Schmid-Gundram
- Language: German
- Year: 2020
- Author: Liane Buchholz
- Language: German
- Year: 2019