- Author: G. Günter Voß
- Language: German
- Year: 2021
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- Language: English
- Year: 2013
- Author: Thomas Beschorner Matthias Schmidt Kristin Vorbohle Christoph Schank
- Language: German
- Year: 2008
- Author: Ulrike Schlamelcher
- Language: German
- Year: 2004
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- Language: German
- Year: 2006