1. Aikins, J., Kunz, J., Shortliffe, E., and Fallat, R. (1982). PUFF: An expert system for interpretation of pulmonary function data. Technical report, Stanford University.
2. Bratko, I., Mozetič, I., and Lavrač, N. (1989). KARDIO: A Study in Deep and Qualitative Knowledge for Expert Systems. MIT Press, Cambridge, MA.
3. Breiman, L., Friedman, J., Olshen, R., and Stone, C. (1984). Classification and Regression Trees. Wadsworth, Belmont.
4. Buntine, W. and Caruana, R. (1992). Introduction to IND Version 2.1 and Recursive Partitioning. NASA.
5. Cestnik, G., Konenenko, I., and Bratko, I. (1987). Assistant-86: A knowledgeelicitation tool for sophisticated users. In Bratko, I. and Lavrac, N., editors, Progress in Machine Learning, pages 31–45. Sigma Press.