1. Bratko, I. and Mulec, P., “An experiment in automatic learning of diagnostic rules,” Informatika, 1981.
2. Dietterich, T. G. and Michalski, R. S., “Learning and generalization of characteristic descriptions: evaluation criteria and comparative review of selected methods,” Sixth International Joint Conference on Artificial Intelligence, IJCAI, Tokyo, Japan, pp. 223–231, August 1979.
3. Hayes-Roth, F. and McDermott, J., “Knowledge acquisition from structural descriptions,” Proceedings of the Fifth International Joint Conference on Artificial Intelligence, IJCAI, Cambridge, Mass., pp. 356–362, August 1977.
4. Hunt, E. B., Marin, J. and Stone. P. T., Experiments in Induction, Academic Press, New York, 1966.
5. Kopec, D. and Niblett, T, T., “How hard is the play of the King-Rook King-Knight ending?,” Advances in Computer Chess, volume
2, Clarke, M.R.B. (Ed.), Edinburgh University Press; 1980.