Comments on "A Per-Channel A/D Converter Having 15-Segment µ-255 Companding". - James L. Henry (IEEE Trans. Commun., 1978)

An Integrated Interpolative PCM Decoder. - Bruce A. Wooley; D. Colin Fowlis; James L. Henry; Clarence E. Williams Jr. (IEEE Trans. Commun., 1979)

An Integrated Per-Channel PCM Encoder Based on Interpolation. - Bruce A. Wooley; James L. Henry (IEEE Trans. Commun., 1979)

The Concentrated Range Extender with Gain. - James L. Henry; Kenneth E. Stiefel; Dale E. Stone; David H. Williamson (IEEE Trans. Commun., 1980)