1. A mathematical theory of communication;Shannon C. E.;Bell Syst. Tech. J.,1948
2. Certain factors affecting telegraph speed;Nyquist H.;Bell Syst. Tech. J.,1924
3. Certain topics in telegraph transmission theory;Nyquist H.;Trans. AIEE,1928
4. Transmission of information;Hartley R. V. L.;Bell Syst. Tech. J.,1928
5. An Intermediate Course in Probability