Abreu, M., G. Araujo-Pardo, C. Balbuena, and D. Labbate. “A Construction of Small $(q-1)$-Regular Graphs of Girth 8”. The Electronic Journal of Combinatorics 22, no. 2 (April 21, 2015): P2.10. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v22i2p10.