- Author: Crighton David, Farrington David P., Towl Graham
- Language: English
- Year: 2013
- Author: Graham Towl David P. Farrington David Crighton Gareth Hughes
- Language: English
- Year: 2008
- Author: David Wilks Mark Farrington David Rubenstein(auth.)
- Language: English
- Year: 2003
- Author: David Wilks Mark Farrington David Rubenstein
- Language: English
- Year: 2003