Rüegg, Ulf, Thorsten Ehlers, Miro Spönemann, and Reinhard von Hanxleden. “Generalized Layerings for Arbitrary and Fixed Drawing Areas ”. Journal of Graph Algorithms and Applications 21, no. 5 (October 1, 2017): 823–856. Accessed December 23, 2024. https://jgaa.info/index.php/jgaa/article/view/paper441.