@misc{W1985059878,
  author = {Olatz Arbelaitz and Ibai Gurrutxaga and Javier Muguerza and Jesús M. Pérez and Iñigo Perona},
  title = {An extensive comparative study of cluster validity indices},
  year = {2012},
  howpublished = {Pattern Recognition},
  doi = {https://doi.org/10.1016/j.patcog.2012.07.021}
}