Interpolative Digital-to-Analog Converters. - G. Ray Ritchie; James C. Candy; William H. Ninke (IEEE Trans. Commun., 1974)

Shift Register Binary Rate Multipliers. - William H. Ninke; G. Ray Ritchie (IEEE Trans. Computers, 1977)

SYNTRAN - A new direction for digital transmission terminals. - G. Ray Ritchie (IEEE Commun. Mag., 1985)

Plans and considerations for SONET deployment. - Niranjan B. Sandesara; G. Ray Ritchie; Barbara Engel-Smith (IEEE Commun. Mag., 1990)