@misc{indiciae9abc48f0049d,
  title = {The source surface and photospheric magnetic field models},
  author = {Saito, T. and Kozuka, Y. and Oki, T. and Akasofu, S.-I.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910043381},
  note = {Source identifier: 19910043381}
}