1. Design of a simple linear frequency discriminator;Fancourt;Marconi Rev.,1956
2. The ratio detector;Seeley;RCA Rev.,1947
3. “Vacuum-Tube Circuits and Transistors,”;Arguimbau,1948
4. Noise in FM receivers;Rice,1970
5. Signal-to-noise effects and threshold effects in FM;Schwartz;Proc. Nat. Electron Conf.,1962