Ludwig, Udo
[Author];
Brautzsch, Hans-Ulrich
[Author];
van Deuverden, Kristina
[Author];
Dietrich, Diemo
[Author];
Kämpfe, Martina
[Author];
Kumpmann, Ingmar
[Author];
Lindner, Axel
[Author];
Loose, Brigitte
[Author];
Scharff, Juliane
[Author];
Scheufele, Rolf
[Author]