- Author: Hartmut Rensen, Wolfgang Büscher
- Language: German
- Year: 2023
- Author: Hartmut Rensen, Wolfgang Büscher
- Language: German
- Year: 2023
- Author: Wolfgang Büscher, Hartmut Rensen, Rolf A. Schütze
- Language: German
- Year: 2015
- Author: Wolfgang Büscher, Uwe Gerken, Volker Michael Jänich, Hanns Prütting
- Language: German
- Year: 2013
- Author: Wolfgang Büscher, Uwe Gerken, Volker Michael Jänich, Thomas Winter
- Language: German
- Year: 2021
- Author: Hartmut Rensen, Wolfgang Büscher, Rolf A. Schütze, Hans-Günther Borck
- Language: German
- Year: 2007
- Author: Wolfgang Büscher, Hartmut Rensen, Rolf A. Schütze
- Language: German
- Year: 2015
- Author: Wolfgang Büscher
- Language: German
- Year: 2017
- Author: Wolfgang Büscher, Uwe Gerken, Volker Michael Jänich, Thomas Winter
- Language: German
- Year: 2021
- Author: Wolfgang Büscher
- Language: German
- Year: 2017