Christoffer, Sven
[Author];
Dzubiel, Christine
[Author];
Leinen, Klaus
[Author];
Müller, Jörg Peter
[Author];
Setzer-Lenz, Ina
[Author];
Zorbach, Dirk
[Author];
Wiesmann, Gerd
[Author]
;
Setzer-Lenz, Ina
[Consultant];
Liepach, Martin
[Consultant];
Mielke, Patrick
[Consultant];
Gautschi, Peter
[Consultant]
Ernst Klett Verlag