- Author: Divers Thomas J., Mair Tim S
- Language: English
- Year: 1997
- Author: Elizabeth Aughey, Fredric L Frye
- Language: English
- Year: 2001
- Author: Peter E Holt
- Language: English
- Year: 2008
- Author: Fredric L Frye, David L Williams
- Language: English
- Year: 1995