Çela, Eranda, and Elisabeth Gaar. “Monotonic Representations of Outerplanar Graphs As Edge Intersection Graphs of Paths on a Grid”. Journal of Graph Algorithms and Applications 26, no. 4 (July 1, 2022): 519–552. Accessed March 14, 2025. https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper606.