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- Language: German
- Year: 2011

- Author: Kolster Wedig
- Language: German
- Year: 2013

- Author: Koch Günter
- Language: German
- Year: 1994

- Author: Kanitscheider Bernulf
- Language: German
- Year: 1979

- Author: Kainz Friedrich
- Language: German
- Year: 1973

- Author: Juhos Belá, Schleichert Hubert
- Language: German
- Year: 1963

- Author: Friedrich Carl Joachim
- Language: German
- Year: 1967

- Author: Hildt Elisabeth
- Language: German
- Year: 1996

- Author: Hilbig Holger
- Language: German
- Year: 2014