- Author: Paul Falcone Randi T. Sachs
- Language: English
- Year: 2007
- Author: Richard A. Luecke James G. Patterson
- Language: English
- Year: 2008
- Author: Roy Alexander Michael S. Dobson
- Language: English
- Year: 2008
- Author: James P. Lewis
- Language: English
- Year: 1995