- Author: Shatkin Laurence, Farr J. Michael
- Language: English
- Year: 2008
- Author: Michael Farr Laurence Shatkin J. Michael Farr
- Language: English
- Year: 2006
- Author: J. Michael Farr Laurence Shatkin
- Language: English
- Year: 2006
- Author: J. Michael Farr Laurence Shatkin
- Language: English
- Year: 2005