- Author: Gerhard Poppenberg
- Language: German
- Year: 1994
- Author: Sebastian Neumeister Gerhard Poppenberg Jutta Schütz Manfred Tietz Hans-Jörg Neuschäfer (eds.)
- Language: German
- Year: 1997
- Author: Hans-Jörg Neuschäfer Sebastian Neumeister Gerhard Poppenberg Jutta Schütz Manfred Tietz (eds.)
- Language: German
- Year: 2001
- Author: Sebastian Neumeister Gerhard Poppenberg Jutta Schütz Manfred Tietz Hans-Jörg Neuschäfer (eds.)
- Language: German
- Year: 2011