- Author: Frans H.J.M. Coenen Thomas Hoppe
- Language: English
- Year: 2021
- Author: Thomas Hoppe
- Language: German
- Year: 2020
- Author: Ines-Jacqueline Werkner Thomas Hoppe
- Language: German
- Year: 2019
- Author: Thomas Hoppe Bernhard Humm Anatol Reibold
- Language: English
- Year: 2018