- Author: Ali Tekin Paul Andrew Williams (auth.)
- Language: English
- Year: 2011
- Author: Paul H. Williams & Robbin W. Thorp & Leif L. Richardson & Sheila R. Colla
- Language: English
- Year: 2014
- Author: Paul L. Williams
- Language: English
- Year: 2015
- Author: Paul T. Williams
- Language: English
- Year: 2005
- Author: Paul T. Williams(auth.)
- Language: English
- Author: Paul D. Williams
- Language: English
- Year: 2008
- Author: Ali Tekin Paul A. Williams
- Language: English
- Year: 2010
- Author: Paul B. Williams
- Language: English
- Year: 1996
