Athanasios Keskempes Anthony Roussos Nikos Tselikas Anthony C. Boucouvalas 321-329 2011 Panhellenic Conference on Informatics http://doi.ieeecomputersociety.org/10.1109/PCI.2011.82 conf/pci/2011 db/conf/pci/pci2011.html#KeskempesRTB11