- Author: Diefenbach Miriam, Glaser Hannah, Herfurth-Schindler Andrea, Kappelhoff Marlis, Mischke Roland, Moeck Thorsten, Nowak Christian, Purpar Rolf, Sachs Stefan, Schmalenberg Detlef, Schmidt-Brümmer Horst, Schnohr Christian, Stinauer Tim, Tams Katrin, Viedebantt Klaus, Von Naredi-Rainer Paul
- Language: German
- Year: 2015