- Author: Dr. Götz-Sebastian Hök (auth.)
- Language: German
- Year: 2005
- Author: Götz-Sebastian Hök (auth.)
- Language: German
- Year: 2012
- Author: Dr. Götz-Sebastian Hök (auth.)
- Language: German
- Year: 2005
- Author: Axel-Volkmar Jaeger Götz-Sebastian Hök (auth.)
- Language: English
- Year: 2010
- Author: Axel-Volkmar Jaeger Götz-Sebastian Hök (auth.)
- Language: English
- Year: 2010
- Author: Götz-Sebastian Hök (auth.)
- Language: German
- Year: 2012
- Author: Axel-Volkmar Jaeger Götz-Sebastian Hök (auth.)
- Language: English
- Year: 2010