- Author: Williams Juan
- Language: English
- Year: 2016
- Author: Williams Juan
- Language: English
- Year: 2013
- Author: Williams Juan
- Language: English
- Year: 2011
- Author: David E. Williams Juan Garcia and Simon Crosby (Auth.)
- Language: English
- Year: 2007
- Author: David E. Williams Juan Garcia and Simon Crosby (Auth.)
- Language: English
- Year: 2007
- Author: David E. Williams Juan Garcia and Simon Crosby (Auth.)
- Language: English
- Year: 2007
- Author: David E Williams, Juan R Garcia
- Language: English
- Year: 2007