Dillencourt, Michael, David Eppstein, and Daniel Hirschberg. “Geometric Thickness of Complete Graphs”. Journal of Graph Algorithms and Applications 4, no. 3 (January 1, 2000): 5–17. Accessed December 23, 2024. https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper23.