@inproceedings{Naka:2015nI,
  author = "Naka, Tatsuhiro",
  title = "{Nuclear Emulsion Technology and Directional Dark Matter Study}",
  doi = "10.22323/1.208.0017",
  booktitle = "Proceedings of KMI International Symposium 2013 on “Quest for the Origin of Particles and the Universe {\textemdash} PoS(KMI2013)",
  year = 2015,
  volume = "208",
  pages = "017"
}