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- Language: German
- Year: 2013
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- Language: German
- Year: 2007
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- Language: German
- Year: 2014
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- Language: German
- Year: 2005
- Author: Barbara Rösch
- Language: German
- Year: 2009
- Author: Christian Spieß
- Language: German
- Year: 2014
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- Language: German
- Year: 1978
- Author: Ingolf U. Dalferth, Heiko Schulz
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- Year: 2011
