Jia, Yiyang, Jun Mitani, and Ryuhei Uehara. “Clarifying the Difference Between Origami Fold Models by a Matrix Representation: Discrete and Computational Geometry, Graphs, and Games”. Thai Journal of Mathematics 21, no. 4 (December 31, 2023): 1061–1079. Accessed May 9, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1565.