1. Anderson, C.W. (1987). Strategy learning with multilayer connectionist representations.Proc. 4th Int. Conf. on Machine Learning. San Francisco, CA: Morgan Kaufmann.
2. Barto, A. G., Sutton, R. S., & Anderson, C. W. (1983). Neuronlike adaptive elements that can solve difficult learning control problems.IEEE Trans. Syst., Man and Cybernetics, SMC-13, 834?846.
3. Bratko, I. (1989). Pole balancing: a study in qualitative reasoning about control.ISSEK Workshop 89. Udine, Italy.
4. Bratko, I. (1991). Qualitative modeling: learning and control.Proc. AI-91, Prague.
5. Bratko, I. (1993). Qualitative reasoning about control.Proc. IEEE ETFA '93, Cairns, Australia.