Kevin Buchin, Maike Buchin, Jaroslaw Byrka, Martin Nöllenburg, Yoshio Okamoto, Rodrigo I. Silveira, Alexander Wolff. Drawing (Complete) Binary Tanglegrams - Hardness, Approximation, Fixed-Parameter Tractability. Algorithmica, 62(1-2):309-332, 2012. [doi]
Abstract is missing.