- Author: Bertram Schefold (editor), Thorsten Lenz (editor)
- Language: German
- Year: 2008
- Author: Krishna Bharadwaj, Bertram Schefold
- Language: English
- Year: 1990
- Author: Bertram Schefold
- Language: English
- Year: 2016
- Author: Bertram Schefold (auth.)
- Language: English
- Year: 1997
- Author: Bertram Schefold
- Language: English
- Year: 1997