- Author: Ludger Körntgen (editor), Dominik Waßenhoven (editor)
- Language: German
- Year: 2013
- Author: Ludger Körntgen (editor), Dominik Waßenhoven (editor)
- Language: German
- Year: 2011
- Author: Ludger Körntgen Dominik Waßenhoven (eds.)
- Language: English, German
- Year: 2011