Leipert, Sebastian Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Mutzel, Petra Algorithms and Complexity, MPI for Informatics, Max Planck Society;
https://rdcu.be/dwpkQ (Verlagsversion)
Jünger, M., Leipert, S., & Mutzel, P. (1997). Pitfalls of using PQ-Trees in Automatic graph Drawing. In G. Di Battista (Ed.), Graph Drawing (pp. 193-204). Berlin: Springer.