@inproceedings{Naka:2009US,
  author = "Naka, Tatsuhiro",
  title = "{Directional Dark Matter Search with Nuclear Emulsion }",
  doi = "10.22323/1.064.0004",
  booktitle = "Proceedings of Identification of dark matter 2008 {\textemdash} PoS(idm2008)",
  year = 2009,
  volume = "064",
  pages = "004"
}