@article{multidendrogramsvariablegroupagglomerati,
  title = {MultiDendrograms: Variable-Group Agglomerative Hierarchical Clusterings},
  author = {Sergio Gomez and Justo Montiel and David Torres and Alberto Fernandez},
  year = {2012},
  eprint = {1201.1623},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1201.1623v2},
}