- Author: Dean Leffingwell Don Widrig
- Language: English
- Year: 2000
- Author: Ralph L. Kliem
- Language: English
- Year: 2004
- Author: Khaled Khan Yan Zheng
- Language: English
- Year: 2005
- Author: Edward Kahn
- Language: English
- Year: 2006
- Author: Lee Jordan
- Language: English
- Year: 2007
- Author: Jim Highsmith
- Language: English
- Year: 2004