1. D. Torrieri, Principles of Secure Communication Systems, 2nd ed. Boston: Artech House, 1992.
2. R. L. Peterson, R. E. Ziemer, and D. E. Borth, Introduction to Spread Spectrum Communications. Upper Saddle River, NJ: Prentice Hall, 1995.
3. M. K. Simon et al., Spread-Spectrum Communications Handbook. New York: McGraw-Hill, 1994.
4. S. B. Wicker, Error Control Systems for Digital Communication and Storage. Upper Saddle River, NJ: Prentice Hall, 1995.
5. G. J. Simmons, ed., Contemporary Cryptology: The Science of Information Integrity. New York: IEEE Press, 1992.