1. Aha, D.W. Case-based Learning Algorithms. Proceedings of the DARPA Case-based Reasoning Workshop. Morgan Kaufmann Publishers. 1991.
2. Domingos, P. Unifying instance-based and rule-based induction. International Joint Conference on Artificial Intelligence. 1995.
3. Lopez, R.M. and Armengol, E.. Machine learning from examples: Inductive and Lazy methods.
4. Barandela, R. et al.. The nearest neighbor rule and the reduction of the training sample size. Proceedings 9th Symposium on Pattern Recognition and Image Analysis, 1, 103–108, Castellon, España, 2001
5. Pawlak, Z.. Rough sets. International Journal of Information & Computer Sciences 11, 341–356, 1982.