Dickerson, Matthew, David Eppstein, Michael Goodrich, and Jeremy Meng. “Confluent Drawings: Visualizing Non-Planar Diagrams in a Planar Way”. Journal of Graph Algorithms and Applications 9, no. 1 (January 1, 2005): 31–52. Accessed June 30, 2024. https://jgaa.info/index.php/jgaa/article/view/paper99.