Morchio, Stefano. “The Harmonic and Melodic Connection Numbers Involving the Mutual Inclusions Among the Generic Groups of Notes Arbitrarily Emitted”. International Journal of Advanced Engineering Research and Science 8, no. 12 (December 18, 2021). Accessed November 21, 2024. https://journal-repository.com/index.php/ijaers/article/view/4448.