- Author: Hacker Stephen, Roberts Tammy
- Year: 2004
- Author: Willard Marsha, Hacker Stephen
- Year: 2002
- Author: Schoenfeldt Thomas I.
- Year: 2008
- Author: Miller Ken
- Year: 2002
- Author: Beecroft G. Dennis, Duffy Grace L., Moran John W.
- Year: 2003
- Author: Mathews Paul G.
- Year: 2005