Forney, G. David; et al. (September 1984). "Efficient modulation for band-limited channels". IEEE Journal on Selected Areas in Communications. 2 (5): 632–647. doi:10.1109/jsac.1984.1146101. S2CID13818684.
Forney, G. David; et al. (September 1984). "Efficient modulation for band-limited channels". IEEE Journal on Selected Areas in Communications. 2 (5): 632–647. doi:10.1109/jsac.1984.1146101. S2CID13818684.