@article{unsupervisedbumphuntingusingprincipal,
  title = {Unsupervised Bump Hunting Using Principal Components},
  author = {Daniel A Díaz-Pachón and Jean-Eudes Dazard and J. Sunil Rao},
  year = {2014},
  eprint = {1409.8630},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1409.8630v1},
}