@article{Hayakawa:20106P,
  author = "Hayakawa, Takehito  and  Shizuma, T.  and  Kajino, Taka  and  Ogawa, K.  and  Nakada, H.",
  title = "{Cosmic clock and thermometer for neutrino process}",
  doi = "10.22323/1.028.0112",
  journal = "PoS",
  year = 2010,
  volume = "NIC-IX",
  pages = "112"
}