@misc{indiciae851a300d4ec8,
  title = {A model of interplanetary and coronal magnetic fields},
  author = {Ness, N. F. and Schatten, K. H. and Wilcox, J. M.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680019703},
  note = {Source identifier: 19680019703}
}