Strong forms of orthogonality for sets of hypercubes. - John T. Ethier; Gary L. Mullen (Discret. Math., 2012)

Sets of orthogonal hypercubes of class r. - John T. Ethier; Gary L. Mullen; Daniel Panario; Brett Stevens; David Thomson (J. Comb. Theory A, 2012)

Sets of mutually orthogonal Sudoku frequency squares. - John T. Ethier; Gary L. Mullen (Des. Codes Cryptogr., 2019)