1. Decreasing the threshold in FM by frequency feedback;Enloe;Proc. IRE,1962
2. “Selected Papers on Frequency Modulation”,1970
3. The synthesis of frequency feedback demodulators;Enloe;Proc. Nat. Electron. Conf.,1962
4. The distortion produced when frequency-modulated signals pass through certain networks;Izatt;Proc. IEE (Brit.),1963
5. Distortion and cross-talk of linearly filtered, angle-modulated signals;Bedrosian;Proc. IEEE,1968