1. Logical Foundations of Probability;Carnap,1950
2. On computable numbers, with an application to the Entscheidungsproblem;Turing,1937
3. Computer languages for symbol manipulation;Green;IRE Trans. Electron Comp.,1961
4. A measure of the value of information;McCarthy,1956
5. Three models for the description of language;Chomsky;IRE Trans. Inform. Theory,1956