- Author: Ronald W. Leven, Bernd-Peter Koch, Bernd Pompe
- Language: German
- Year: 1990
- Author: Prof. Dr. Ronald W. Leven Dr. Bernd-Peter Koch Dr. Bernd Pompe (auth.)
- Language: German
- Year: 1989
- Author: Ronald Leven Bernd-Peter Koch Bernd Pompe
- Language: English
- Year: 1994
- Author: Ronald Leven Bernd-Peter Koch Bernd Pompe
- Language: English
- Year: 1994