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- Language: English
- Year: 1999
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- Year: 2013
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- Year: 2001
- Author: Charles Dickson
- Language: English
- Year: 2016
- Author: Gehrmann Beatrice, Koch Wolf-Gerald, Tschirch Claus O, Brinkmann Helmut
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- Year: 2013
- Author: Schilcher Heinz (ed.)
- Language: German
- Year: 2016