1. A mathematical theory of communications;Shannon;Bell Syst. tech. J.,1948
2. Prediction and entropy of printed English;Shannon;Bell Syst. tech. J.,1951
3. An informational theory of the statistical structure of a language;Mandelbrot,1953
4. Information theory and linguistics;Yaglom;Voprosy Yazykoznaniya (Problems of Linguistics),1960
5. The Advanced Theory of Language as Choice and Chance;Herdan,1966