
- Author: Horst-Peter Götting (editor), Urs Peter Gruber (editor), Jörn Lüdemann (editor), et al. (editor), Christian Tietje (editor)
- Language: German
- Year: 2015

- Author: Stefan Kadelbach, Christian Tietje, Eckhard Pache, Thomas Gross, et al.
- Language: German
- Year: 2007

- Author: Christian Tietje (editor), Horst-Peter Götting (editor), Urs Peter Gruber (editor), Jörn Lüdemann (editor), et al. (editor)
- Language: German
- Year: 2009

- Author: Dr. Christian Tietje Dr. Karsten Nowrot
- Language: German
- Year: 2022

- Author: Christian Tietje
- Language: German
- Year: 2009

- Author: Christian Tietje
- Language: German
- Year: 2009