Huang, Weidong, Seok-Hee Hong, and Peter Eades. “Effects of Sociogram Drawing Conventions and Edge Crossings in Social Network Visualization”. Journal of Graph Algorithms and Applications 11, no. 2 (January 1, 2007): 397–429. Accessed January 6, 2025. https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper152.