- Author: Kai Schild Wolfgang M. Willems
- Language: German
- Year: 2022
- Author: Kai Schild Henrik Brück (auth.)
- Language: German
- Year: 2010
- Author: Kai Schild (auth.)
- Language: German
- Year: 2018
- Author: Wolfgang M. Willems Kai Schild Diana Stricker (auth.)
- Language: German
- Year: 2018