van Dijk, Thomas, Martin Fink, Norbert Fischer, Fabian Lipp, Peter Markfelder, Alexander Ravsky, Subhash Suri, and Alexander Wolff. “Block Crossings in Storyline Visualizations”. Journal of Graph Algorithms and Applications 21, no. 5 (October 1, 2017): 873–913. Accessed December 22, 2024. https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper443.