Exact coverings of the integers by arithmetic progressions. - R. J. Simpson (Discret. Math., 1986)

Pitch determination algorithms for speech and their implementation using a high performance single chip digital signal processor. - Martin R. Varley; R. J. Simpson; Trevor J. Terrell (EUROSPEECH, 1989)

Disjoint covering systems of rational Beatty sequences. - R. J. Simpson (Discret. Math., 1991)

On the choice of the wavelets for ECG data compression. - Rosli Besar; C. Eswaran; Shahrin Sahib; R. J. Simpson (ICASSP, 2000)

Vertex-Magic Total Labelings of Complete Bipartite Graphs. - Ian D. Gray; Jim A. MacDougall; R. J. Simpson; Walter D. Wallis (Ars Comb., 2003)

A New Periodicity Lemma. - Kangmin Fan; William F. Smyth; R. J. Simpson (CPM, 2005)