@article{Nakamura:2019EC,
  author = "Nakamura, Yoshiaki",
  title = "{Can we estimate the variation of the z-component of the interplanetary magnetic field from the sun shadow?}",
  doi = "10.22323/1.358.1132",
  journal = "PoS",
  year = 2019,
  volume = "ICRC2019",
  pages = "1132"
}