- Author: Bauer Karlheinz, Bendixen Britta, Dutz Veronika M., Grasl Monika, Hengy Symone, Herbst Daniela, Kohlert Sabine, Lochner Stefan, Roters Connie, Schmitz Ann-Bettina, Stöger Christina, Walter Klaus-Peter, Wohlgemuth Johanna
- Language: German
- Year: 2016