- Author: Dean Michaelis
- Language: English
- Year: 2000
- Author: Linda K. Miller Keith A. Cunningham
- Language: English
- Year: 2006
- Author: Duncan Long
- Language: English
- Year: 1985
- Author: Dave M. Lauck
- Language: English
- Year: 1996
- Author: Richard V. Langston
- Language: English
- Year: 2001
- Author: Peter Alan Kasler
- Language: English
- Year: 1992
- Author: Peter Alan Kasler
- Language: English
- Year: 1991
- Author: Sid Campbell Gary Cagaanan Sonny Umpad
- Language: English
- Year: 1986
- Author: Professor Parabellum
- Language: English
