@MISC{wittek2013somoclu,
  author = {Wittek, Peter},
  title = {Somoclu: An Efficient Distributed Library for Self-Organizing Maps},
  month = {May},
  year = {2013},
  note = {arXiv:1305.1422},
  url = {http://arxiv.org/pdf/1305.1422v1.pdf},
}