Klau, Gunnar W. Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Mutzel, Petra Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Klau, G. W., & Mutzel, P. (1999). Combining Graph Labeling and Compaction. In J., Kratochvíl (Ed.), Proceedings of the 7th International Symposium on Graph Drawing (GD-99) (pp. 27-37). Berlin: Springer.