Chen G, Hutchinson JP, Keating K, Shen J. Characterization of $[1,k]$-Bar Visibility Trees. Electron. J. Combin. [Internet]. 2006Oct.27 [cited 2026Apr.23];13(1):#R90. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v13i1r90