- Author: Andreas Löschel, Dirk Rübbelke, Wolfgang Ströbele, Wolfgang Pfaffenberger, Michael Heuterkes
- Language: German
- Year: 2020
- Author: Ingo Hensing, Wolfgang Pfaffenberger, Wolfgang Ströbele
- Language: German
- Year: 1998
- Author: Wolfgang Ströbele, Wolfgang Pfaffenberger, Michael Heuterkes
- Language: German
- Year: 2012
- Author: Wolfgang Pfaffenberger, Heinz Strebel
- Language: German
- Year: 1999
- Author: Piotr Jasinski, Wolfgang Pfaffenberger
- Language: English
- Year: 2017
- Author: Bryan Pfaffenberger
- Language: English
- Author: Chelvadurai Manogaran Bryan Pfaffenberger
- Language: English
- Year: 1994
- Author: Pfaffenberger Angela H.
- Language: English
- Year: 2011
- Author: Pfaffenberger Bryan
- Language: English
- Year: 1995
- Author: Pfaffenberger W. E., Caradus S. R., Yood Bertram
- Language: English
- Year: 1974