@misc{indiciae403cd5571144,
  title = {Solar orbiter and solar probe},
  author = {Tsurutani, B. T. and Lehman, D. and Guhathakurta, L.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20060031134},
  note = {Source identifier: 20060031134}
}