Neural networks in multidimensional problems: a case study for questionnaire classification. - Dimitris A. Karras; E. J. Hatzakis; P. E. Tziannos; N. Paritsis (ICNN, 1995)

On Feature Selection Methods in the Application of Neural Networks to Social Sciences. - Dimitris A. Karras; I. J. Marmatsouri; E. J. Hatzakis; N. Paritsis (EUROMICRO, 1998)