Holmes, Brent. “On the Diameter of Dual Graphs of Stanley-Reisner Rings and Hirsch Type Bounds on Abstractions of Polytopes”. The Electronic Journal of Combinatorics 25, no. 1 (March 16, 2018): P1.60. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v25i1p60.