1. Aleksander, I. and Stonham, T.J. A guide to pattern recognition using random-access memories. IEEE Journal of Computers & Digital Techniques, 2(1), 1979.
2. Langley, P. Finding common paths as a learning mechanism. In Proc. of the Third Nat. Conf., The Canadian Soc. for Computational Studies of Intelligence, 1980.
3. Young, R.M., Plotkin, G.D. and Linz, R.F. Analysis of an extended concept-learning task. In Proceedings of IJCAI-77, page 285, International Joint Conference on Artificial Intelligence, 1977.
4. Mitchell. Generalisation as search. Artificial Intelligence, 18:203–226, 1982.
5. Bundy, A. and Silver, B. A critical survey of rule learning programs. In Proceedings of ECAI-82, pages 150–157, European Conference on Artificial Intelligence, 1982.