- Author: Guido Walz Frank Zeilfelder Thomas Rießinger
- Language: English
- Year: 2023
- Author: Guido Walz
- Language: German
- Year: 2023
- Author: Guido Walz
- Language: English
- Year: 2021
- Author: Guido Walz
- Language: German
- Year: 2020
- Author: Guido Walz Frank Zeilfelder Thomas Rießinger
- Language: German
- Year: 2019
- Author: Guido Walz
- Language: German
- Year: 2019
- Author: Guido Walz
- Language: German
- Year: 2019
- Author: Guido Walz
- Language: German
- Year: 2018
- Author: Guido Walz (eds.)
- Language: German
- Year: 2017
- Author: Guido Walz (eds.)
- Language: German
- Year: 2017