@misc{indiciaef0705e5a1938,
  title = {C/2013 A1 (Siding Spring vs. Mars)},
  author = {Moorhead, Althea and Cooke, William},
  year = {2013},
  url = {https://ntrs.nasa.gov/citations/20130013982},
  note = {Source identifier: 20130013982}
}