- Author: Prof. Dr. Bernhard Schäfers (auth.)
- Language: German
- Year: 2003
- Author: Bernhard Schäfers (auth.)
- Language: German
- Year: 2017
- Author: Bernhard Schäfers (auth.)
- Language: German
- Year: 2016
- Author: Bernhard Schäfers (auth.)
- Language: German
- Year: 2016
- Author: Bernhard Schäfers (auth.)
- Language: German
- Year: 2014
- Author: Bernhard Schäfers (auth.)
- Language: German
- Year: 2006
- Author: Bernhard Schäfers (auth.) Bernhard Schäfers (eds.)
- Language: German
- Year: 2000
- Author: Bernhard Schäfers (auth.) Prof. Dr. Bernhard Schäfers (eds.)
- Language: German
- Year: 1983
- Author: Bernhard Schäfers (auth.) Bernhard Schäfers (eds.)
- Language: German
- Year: 1993
- Author: Bernhard Schäfers (auth.)
- Language: German
- Year: 1980