1. References marked with an asterix are recommended as supplementary reading. J. B. Anderson, Digital Transmission Engineering. IEEE Press, New York, 1999.
2. A. Lender, “The duobinary technique for high speed data transmission,” IEEE Trans. Commun. Tech., 82, 214–218, 1963.
3. E. R. Kretzmer, “Generalization of a technique for binary data communication,” IEEE Trans. Commun. Tech., COM-14, 67–68, 1966.
4. S. Pasupathy, “Correlative coding: a bandwidth-efficient signaling scheme,” IEEE Commun. Mag., 15, 4–11, 1977.
5. A. Said, “Design of optimal signals for bandwidth-efficient linear coded modulation,” PhD Thesis, Department of Electrical, Computer and Systems Engineering, Rensselaer Poly. Inst., Troy, NY, Feb. 1994; see also “Tables of optimal partial-response trellis modulation codes,” Commun., Inf. Voice Processing Report Series, Report TR93-3, ibid., Sept. 1993.