Culbertson, Jared, Anton Dochtermann, Dan P. Guralnik, and Peter F. Stiller. “Extendable Shellability for $d$-Dimensional Complexes on $d+3$ Vertices”. The Electronic Journal of Combinatorics 27, no. 3 (September 4, 2020): P3.46. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v27i3p46.