- Author: Rozanski Nick, Woods Eoin
- Language: English
- Year: 2012
- Author: Gousios Georgios, Spinellis Diomidis
- Language: English
- Year: 2009
- Author: Gousios Georgios, Spinellis Diomidis
- Language: English
- Year: 2009
- Author: Berman Gennady P.
- Language: English
- Year: 2003