@misc{indiciae36a81d7f89ec,
  title = {Magnetopause structure and attitude from Explorer 12 observations.},
  author = {Cahill, L. J., Jr. and Sonnerup, B. U. O.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670041196},
  note = {Source identifier: 19670041196}
}