REFERENCES
- F M Gardner, Phase Lock Techniques, John Willey & Sons Inc New York, 1966.
- W C Lindsey, Synchronization Systems in Communication and Control, Prentice-Hall, New Jersey, 1972.
- L A Pipes, Applied Mathematics for Engineers and Physicists, McGraw-Hill Book Company, Inc, 1958.
- B C Sarkar et al, Effects of fading channels in two-way communication, Journal of IETE, vol 27, pp 237–241, July 1981.