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- Language: English
- Year: 2010

- Author: Bonifaz John, Clements Ben, Fein Ronald A
- Language: English
- Year: 2018

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- Language: English
- Year: 2015

- Author: European Union., Chryssochoou Dimitris N
- Language: English
- Year: 2018
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- Language: German
- Year: 2020

- Author: Jens Andreas Sickor (auth.)
- Language: German
- Year: 2005

- Author: Univ.-Prof. DDr. Christian Kopetzki (auth.)
- Language: German
- Year: 2005