1. W. Bender, D. Gruhl, N. Morimoto, “Techniques for Data Hiding,” Proc. of the SPIE, 2420:40, San Jose, CA., 1995.
2. W. Bender, D. Gruhl, N. Morimoto, A. Lu, “Techniques for Data Hiding,” To appear in IBM Systems Journal, Vol. 35, No. 3&4, 1996.
3. S. Baron, W. Wilson, “MPEG Overview,” SMPTE Journal, pp 391–394, June 1994.
4. R. C. Dixon, Spread Spectrum Systems, John Wiley & Sons, Inc., 1976.
5. L. R. Rabiner and R. W. Schaffer, Digital Processing of Speech Signal, Prentice-Hall, Inc., NJ, 1975.