Bekos, Michael, Michael Kaufmann, and Robert Krug. “On the Total Number of Bends for Planar Octilinear Drawings”. Journal of Graph Algorithms and Applications 21, no. 4 (February 1, 2017): 709–730. Accessed June 30, 2024. https://jgaa.info/index.php/jgaa/article/view/paper436.