- Author: Kurt Sonnemann (auth.)
- Language: German
- Year: 1980
- Author: Martin Göbel (auth.)
- Language: German
- Year: 1996
- Author: Jörg Herrmann (auth.)
- Language: German
- Year: 1996
- Author: Jörg Herrmann (auth.)
- Language: German
- Year: 1996
Aktien
pdf
- Author: Dieter Trenner (auth.)
- Language: German
- Year: 1986
- Author: Dr. rer. pol. Wolfgang Oehme (auth.)
- Language: German
- Year: 1986
- Author: Dieter Scholl (auth.)
- Language: German
- Year: 1994
- Author: Michael Roth (auth.)
- Language: German
- Year: 1993
