Akiyama, Jin, Kiyoko Matsunaga, and Sachiko Nakajima. 2023. “Mobius Flowers: Discrete and Computational Geometry, Graphs, and Games”. Thai Journal of Mathematics 21 (4):1081–1098. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1566.