Kukluk, Jacek, Lawrence Holder, and Diane Cook. “Algorithm and Experiments in Testing Planar Graphs for Isomorphism”. Journal of Graph Algorithms and Applications 8, no. 3 (January 1, 2004): 313–356. Accessed May 9, 2025. https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper94.