@misc{indiciae953ad91f94cf,
  title = {Precise calculation of the magnetosphere surface for a tilted dipole.},
  author = {Choe, J. Y. and Beard, D. B. and Sullivan, E. C.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730041121},
  note = {Source identifier: 19730041121}
}