Czabarka Éva, Liu J, Székely L. The Largest Crossing Number of Tanglegrams. Electron. J. Combin. [Internet]. 2024Mar.8 [cited 2026Mar.29];31(1):P1.57. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v31i1p57