Makoto, Araya, Masaaki Harada, and Tonchev Vladimir. “Hadamard Matrices of Orders 60 and 64 With Automorphisms of Orders 29 and 31”. The Electronic Journal of Combinatorics 31, no. 1 (February 23, 2024): P1.50. Accessed March 29, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v31i1p50.