Katharina T. Huber, Martin Lott, Vincent Moulton, Andreas Spillner. The Complexity of Deriving Multi-Labeled Trees from Bipartitions. Journal of Computational Biology, 15(6):639-651, 2008. [doi]
@article{HuberLMS08,
  title = {The Complexity of Deriving Multi-Labeled Trees from Bipartitions},
  author = {Katharina T. Huber and Martin Lott and Vincent Moulton and Andreas Spillner},
  year = {2008},
  doi = {10.1089/cmb.2008.0088},
  url = {http://dx.doi.org/10.1089/cmb.2008.0088},
  researchr = {https://researchr.org/publication/HuberLMS08},
  cites = {0},
  citedby = {0},
  journal = {Journal of Computational Biology},
  volume = {15},
  number = {6},
  pages = {639-651},
}