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- Language: German
- Year: 2016
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- Year: 2016
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- Language: English
- Year: 2013
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- Language: English, French
- Year: 1982
- Author: Land Steven J.
- Language: English
- Year: 1993
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- Language: English
- Year: 2018
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- Language: German
- Year: 2016
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- Language: German
- Year: 2017