1993

N. Aktipis, P. Georgiadis, N. Kolomvos, G. Lepouras
Proceedings of the 4th Panhelenic Conference in Informatics, Vol. II, pp. 403-413, 1993.

C. Boukouvalas, P. Georgiadis and C. Vassilakis
Hellenic Informatics Conference, Patra 1993 (in Greek).

P. Kassapidis, C. Vassilakis, M. Nikolaidou, P. Georgiadis, Gr. Votsis and N. Pronios
Hellenic Informatics Conference, Patra 1993 (in Greek).

C. Vassilakis, P. Georgiadis, D. Lelis, D. Mouzakis and M. Nikolaidou
Hellenic Informatics Conference, Patra 1993 (in Greek).

M. Spiliopoulou, M. Hatzopoulos and C. Vassilakis
in Computers and Artificial Intelligence, Vol. 12, 1993, No. 2.