- Author: Heiko Christians, Matthias Bickenbach, Nikolaus Wegmann
- Language: German
- Year: 2022
- Author: Heiko Christians, Nikolaus Wegmann, Matthias Bickenbach
- Language: German
- Year: 2018
- Author: Heiko Christians, Matthias Bickenbach, Nikolaus Wegmann
- Language: German
- Year: 2014
- Author: Heiko Christians Matthias Bickenbach Nikolaus Wegmann (eds.)
- Language: German
- Year: 2014
- Author: Nikolaus Wegmann (auth.)
- Language: German
- Year: 1988