- Author: Soulas de Russel Dominique, Garrido Gómez M. Isabel
- Language: German
- Year: 2009
- Author: Soulas de Russel Dominique, D'Ambrosio Daniele
- Language: German
- Year: 2009
- Author: Essig Carola, Soulas de Russel Dominique, Bauer Denis
- Language: German
- Year: 2010