- Author: Markus Kotzur, Nele Matz-Lück, Alexander Proelss, Roda Verheyen, Joachim Sanden
- Language: English
- Year: 2018
- Author: Alexander Proelss (editor)
- Language: English
- Year: 2017
Völkerrecht
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- Author: Wolfgang Vitzthum, Alexander Proelss
- Language: German
- Year: 2016