Lyons, Kelly, Henk Meijer, and David Rappaport. “Algorithms for Cluster Busting in Anchored Graph Drawing”. Journal of Graph Algorithms and Applications 2, no. 1 (January 1, 1998): 1–24. Accessed May 9, 2025. https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper4.