Billey, Sara, Zachary Hamaker, Austin Roberts, and Benjamin Young. “Coxeter-Knuth Graphs and a Signed Little Map for Type B Reduced Words”. The Electronic Journal of Combinatorics 21, no. 4 (October 2, 2014): #P4.6. Accessed April 23, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v21i4p6.