@article{adatabasedclassificationofslavic,
  title = {A data-based classification of Slavic languages: Indices of qualitative variation applied to grapheme frequencies},
  author = {Michaela Koscová and Ján Macutek and Emmerich Kelih},
  year = {2015},
  eprint = {1504.03608},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1504.03608v1},
}