1. Buchanan, B.: 1985, ‘Expert Systems’, Journal of Automated Reasoning
1, 28–35.
2. Chomsky, N.: 1965, Aspects of the Theory of Syntax. MIT Press. Cambridge, MA.
3. Chomsky, N.: 1966, Cartesian Linguistics. Harper & Row, New York.
4. Chomsky, N.: 1986, Knowledge of Language: Its Nature, Origin, and Use. Praeger Publishers, New York.
5. Cohen, D.: 1986, Introduction to Computer Theory. John Wiley & Sons, Inc., New York.