- Author: Simon Richter
- Language: English
- Year: 2006
- Author: Košenina Alexander
- Language: English
- Year: 2016
- Author: Košenina Alexander
- Language: German
- Year: 2016
- Author: Hibbitt Richard
- Language: English
- Year: 2017
- Author: Hibbitt Richard
- Language: English
- Year: 2017
- Author: Fleming Paul
- Language: English
- Year: 2009