@article{JMLR:v11:carlsson10a,
  author  = {Gunnar Carlsson and Facundo M{{\'e}}moli},
  title   = {Characterization, Stability and Convergence of Hierarchical Clustering Methods},
  journal = {Journal of Machine Learning Research},
  year    = {2010},
  volume  = {11},
  number  = {47},
  pages   = {1425--1470},
  url     = {http://jmlr.org/papers/v11/carlsson10a.html}
}