@misc{indiciae644b7fdce9d9,
  title = {Ring current effects on cosmic rays.},
  author = {Akasofu, S.-I. and Kendall, P. C. and Yoshida, S.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680050489},
  note = {Source identifier: 19680050489}
}