1. M.R.Devos and G.A.Orban: “Self-adapting back propagation”, in the proceedings of Neuro-Nimes `88, Nimes, France, November 1988, from EC2, 269–287 rue de la Garenne, 92000, Nanterre, France.
2. S.Ellacott: “Some working papers on the delta rule”, ITRI technical report no.79, 1989. (Address as above.)
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4. R.D.Milne: “Applied functional analysis: an treatment”, Pitman, 1980. (ISBN 0–273–08404–6)
5. D.E.Rumelhart and J.L.McClelland: “Parallel and distributed processing: explorations in the microstructure of cognition”, vol.1, MIT, 1986. (ISBN 0–262–181270–7)