1. Theory of Servomechanisms;James,1947
2. Principles of Servomechanisms;Brown,1948
3. Servomechanisms Synthesis Through Pole-zero Configurations;Truxal,1950
4. Extrapolation, Interpolation and Smoothing of Stationary Time Series;Wiener;NDRC Report,1942
5. Extrapolation, Interpolation and Smoothing of Stationary Time Series;Wiener,1949