Friedberg, R. (1958). A Learning Machine, Part I *IBM Journal
of Research and Development 2*, No. 1.

McCarthy, John (1956). The Inversion of Functions Defined by Turing
Machines, in *Automata Studies, Annals of Mathematical Study No. 34,*
Princeton, pp. 177-181.

Minsky, M.L. (1956). Heuristic Aspects of the Artificial
Intellegence Problem. *Lincoln Laboratory Report*,pp.34-55.

Newell, A., Shaw, J. C. and Simon, H.A.(1957). Empirical Explorations of the
Logic Theory Machine. A case Study in Heuristic. *Proceedings of the
Western Joint Computer Conference*, published by the Institute of Radio
Engineers, New York, 1957, pp. 218-230.

Sat Mar 1 15:59:06 PST 2003