Vandell, R., M. Walsh, and W. D. Weakley. “On Compact Symmetric Regularizations of Graphs”. The Electronic Journal of Combinatorics 21, no. 3 (August 21, 2014): #P3.31. Accessed May 25, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v21i3p31.