@article{IIZUKA:2016dQ,
  author = "IIZUKA, Jun",
  title = "{Fermi-BOltzmann statistics of neutrinos and relativistic effective degrees of freedom in the early universe}",
  doi = "10.22323/1.248.0066",
  journal = "PoS",
  year = 2016,
  volume = "FPCP2015",
  pages = "066"
}