- Author: Wolfgang Kehrein (editor), Björn Köhnlein (editor), Paul Boersma (editor), Marc van Oostendorp (editor)
- Language: English
- Year: 2017
- Author: Wolfgang Kehrein (editor), Björn Köhnlein (editor), Paul Boersma (editor), Marc van Oostendorp (editor)
- Language: English
- Year: 2017
- Author: Paul Boersma (editor) Silke Hamann (editor)
- Language: English
- Year: 2009