@article{solvingnonuniquenessinagglomerative,
  title = {Solving non-uniqueness in agglomerative hierarchical clustering using multidendrograms},
  author = {Alberto Fernandez and Sergio Gomez},
  year = {2006},
  eprint = {cs/0608049},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/cs/0608049v2},
}