@misc{indiciae98c7ba13dff2,
  title = {Two successful geomagnetic-field-line tracing experiments.},
  author = {Wescott, E. M. and Nielsen, H. C. S. and Murcray, W. B. and Davis, T. N. and Peek, H. M. and Jensen, R. J.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720049311},
  note = {Source identifier: 19720049311}
}