- Author: Clyde Martin Robert C. Hermann
- Language: English
- Year: 1977
- Author: Robert C. Hermann
- Language: English
- Year: 1975
- Author: L. R. Hunt C. F. Martin
- Language: English
- Year: 1984
- Author: Robert C. Hermann
- Language: English
- Year: 1993
- Author: Robert C. Hermann
- Language: English
- Year: 1977
- Author: Robert C. Hermann Clyde Martin
- Language: English
- Year: 1977
- Author: Robert C. Hermann
- Language: English
- Year: 1976
- Author: Robert C. Hermann
- Language: English
- Year: 1976
- Author: Robert C. Hermann
- Language: English
- Year: 1973