@article{automaticrecognitionofelementclassesand,
  title = {Automatic recognition of element classes and boundaries in the birdsong with variable sequences},
  author = {Takuya Koumura and Kazuo Okanoya},
  year = {2016},
  eprint = {1601.06248},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1601.06248v1},
}