@article{unsupervisedauthorshipattribution,
  title = {Unsupervised authorship attribution},
  author = {David Fifield and Torbjørn Follan and Emil Lunde},
  year = {2015},
  eprint = {1503.07613},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1503.07613v1},
}