@misc{indiciaecaf9afc13be2,
  title = {Sulphur Spring: Busy Intersection and Possible Martian Analogue},
  author = {Nankivell, A. and Andre, N. and Thomas-Keprta, K. and Allen, C. and McKay, D.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20000081172},
  note = {Source identifier: 20000081172}
}