Lepović, Mirko. “On Strongly Regular Graphs With M2 = Qm3 and M3 = Qm2 for Q = 7 2, 7 3, 7 4, 7 5, 7 6”. Yugoslav Journal of Operations Research 31, no. 3 (August 1, 2021): 373–388. Accessed August 25, 2025. https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/673.