- Author: Stefan Terzibaschitsch
- Language: German
- Year: 1989
- Author: Siegfried Breyer Jürg Meister
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- Year: 1982
- Author: Karl-Heinz Regnat
- Language: German
- Year: 2002
- Author: Karl Heinz Regnat
- Language: German
- Year: 2005
- Author: Karl H. Regnat
- Language: German
- Year: 2000
- Author: Karl Heinz Regnat
- Language: German
- Year: 1999
- Author: Helmut Erfurth
- Language: German
- Year: 2002
- Author: Heinz J.Nowarra
- Language: German
- Year: 1988
- Author: Fritz Köhl
- Language: German
- Year: 1992
- Author: Fritz Köhl & Axel Niestlé
- Language: German
- Year: 2006