Didimo, Walter, Michael Kaufmann, Giuseppe Liotta, and Giacomo Ortali. “Rectilinear Planarity of Partial 2-Trees”. Journal of Graph Algorithms and Applications 27, no. 8 (November 1, 2023): 679–719. Accessed June 30, 2024. https://jgaa.info/index.php/jgaa/article/view/paper640.