Frankland, B.W. “An Initial Exploration of Parallelism in Music: Equi-Temporal Three-Tone Diatonic Sequences”. Canadian Acoustics 34, no. 3 (September 1, 2006): 36–37. Accessed May 6, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1810.