- Author: Prof. Dr. Martin J. Beckmann (auth.)
- Language: English
- Year: 1999
- Author: Prof. Dr. Martin J. Beckmann (auth.)
- Language: English
- Year: 1978
- Author: Prof. Dr. Martin J. Beckmann (auth.)
- Language: English
- Year: 1988
- Author: Prof. Dr. Martin J. Beckmann (auth.)
- Language: English
- Year: 1983
- Author: Prof. Dr. Dieter Bartmann Prof. Dr. Martin J. Beckmann (auth.)
- Language: English
- Year: 1992