
- Author: Willershausen Gerold
- Language: German
- Year: 2018

- Author: Topp Stefan
- Language: German
- Year: 1999

- Author: Tennert Julius
- Language: German
- Year: 2019

- Author: Sturz Dirk
- Language: German
- Year: 2015

- Author: Schroff Sebastian
- Language: German
- Year: 2015

- Author: Röckle Sven A.
- Language: German
- Year: 2002

- Author: Russ Andreas
- Language: German
- Year: 2004

- Author: Reith Daniel
- Language: German
- Year: 1997