1. T.L.H. Watkin, A. Rau, M. Biehl, Rev. Mod. Phys. 65 (1993) 499.
2. F. Rosenblatt, Principles of Neurodynamics, Spartan, New York, 1962.
3. M. Minsky, S.A. Papert, Perceptrons, MIT, Cambridge, 1969.
4. G. Györgyi, N. Tisby, in: Neural Networks and Spin Glass, W.K. Theumann, R. Köberle (Eds.), World Scientific, Singapore, 1990.
5. Statistical mechanics of learning from examples