World Scientific and Engineering Academy and Society (WSEAS)
10th WSEAS international conference on Neural networks , 2009, Prague. Czech Rep.
Mastorakis, Nikos E., Kartalopoulos, Stamatios, Simian, Dana, Varonides, Argyrios, Mladenov, Valeri, Bojkovic, Zoran, Antonidakis, Emmanuel (eds.) Proceedings of the 11th WSEAS International Conference on Computers July 23-28, 2007, Agios Nikolaos, Crete Island, Greece.
Proceedings of the 7th Conference on 7th WSEAS International Conference on Applied Informatics and Communications , 2007, Vouliagmeni, Athens, Greece.