Boy, Christian
[Author];
Klimke, Ansgar
[Author];
Müller-Gärtner, Hans-W.
[Author];
Holschbach, Markus
[Author];
Herzog, Hans
[Author];
Mühlensiepen, Heinz
[Author];
Rota Kops, Elena
[Author];
Sonnenberg, Frank
[Author];
Gaebel, Wolfgang
[Author];
Stöcklin, Gerhard
[Author];
Markstein, Rudolf
[Author]