Boben, Marko, Štefko Miklavič, and Primož Potočnik. “Rotary Polygons in Configurations”. The Electronic Journal of Combinatorics 18, no. 1 (May 23, 2011): #P119. Accessed May 2, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v18i1p119.