Brügelmann, Ralph
[Author];
Fuest, Winfried
[Author];
Grömling, Michael
[Author];
Hüther, Michael
[Author];
Jäger, Manfred
[Author];
Kroker, Rolf
[Author];
Pimpertz, Jochen
[Author];
Römer, Christof
[Author];
Schäfer, Holger
[Author];
Schröder, Christoph
[Author]