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- Language: German
- Year: 2015
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- Language: German
- Year: 2016
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- Language: German
- Year: 2015
- Author: Johnson Helen Kendrick
- Language: English
- Year: 2011
- Author: Corbridge Stuart, Harriss John
- Language: English
- Year: 2013
- Author: Bernstein Richard J
- Language: English
- Year: 2013
- Author: Hague Rod, Harrop Martin, McCormick John
- Language: English
- Year: 2016
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- Language: English
- Year: 2016
- Author: Jens Hacke Dominik Geppert
- Language: German
- Year: 2008
- Author: Markus Tausendpfund
- Language: German
- Year: 2018