- Author: Prof. Dr. Hermann Lübbe (auth.)
- Language: German
- Year: 2003
- Author: Hermann Lübbe (auth.)
- Language: German
- Year: 1987
- Author: Prof. Dr. Hermann Lübbe (auth.)
- Language: German
- Year: 1994
- Author: Prof. Dr. Hermann Lübbe (auth.)
- Language: German
- Year: 1992
- Author: Prof. Dr. Hermann Lübbe (auth.)
- Language: German
- Year: 1997