1. Pulse-Data Systems.;Linvill,1959
2. Sampled-Data Control Systems.;Ragazzini,1958
3. Feedback theory. 1. Some properties of signal flow graphs;Mason;Tech. Rep. 153, Res. Lab. of Electronics, Mass. Inst, of Technology,1953
4. Feedback theory—Further properties of signal flow graphs,1955
5. Extrapolation, Interpolation, and Smoothing of Stationary Time Series with Engineering Applications.;Wiener,1949