Digital oscillators over finite fields. - William A. Chren Jr.; James N. Ridley (IEEE Trans. Signal Process., 2000)

On systematic generator matrices for Reed-Solomon codes. - Daniel J. J. Versfeld; James N. Ridley; Hendrik C. Ferreira; Albertus S. J. Helberg (IEEE Trans. Inf. Theory, 2010)

Constructing Coset Codes With Optimal Same-Symbol Weight for Detecting Narrowband Interference in M-FSK Systems. - Daniel J. J. Versfeld; A. J. Han Vinck; James N. Ridley; Hendrik C. Ferreira (IEEE Trans. Inf. Theory, 2010)