- Author: Prof. Dr. rer. pol. Hans Benninghaus (auth.)
- Language: German
- Year: 1982
- Author: Dr. Phil. Hans Mathias Kepplinger (auth.)
- Language: German
- Year: 1982
- Author: Dr. rer. pol. Stefan Jensen (auth.)
- Language: German
- Year: 1980
- Author: Prof. Dr. rer. nat. Manfred Küchler (auth.)
- Language: German
- Year: 1979
- Author: Dipl.-Volkswirt Ferdinand Böltken (auth.)
- Language: German
- Year: 1976
- Author: Dr. rer. pol. Heinz Renn (auth.)
- Language: German
- Year: 1975