A.S. Drigas, A. Tagoulis, P. Kyragianni, P. Nikolopoulos, D. Kalomoirakis, D. Kouremenos, Ch. Emmanouilidis and J. Vrettaros, A self learning e-system for Greek paleography., In WSEAS Transactions on Information Science and Applications, volume 2, (Pages: 1096–1099), 2005.