- Author: John H. Betts J. T. Hooker John Richard Green
- Language: English
- Year: 1986
- Author: John H. Betts J. T. Hooker John Richard Green
- Language: English
- Year: 1988
- Author: John T. Betts (auth.) Prof. Dr. R. Bulirsch Prof. Dr. D. Kraft (eds.)
- Language: English
- Year: 1994
- Author: John T. Betts
- Language: English
- Year: 2001
- Author: John T. Betts
- Language: English
- Year: 2001
- Author: John T. Betts
- Language: English
- Year: 2001