@misc{indiciae13ff54788bcb,
  title = {Global duricrust on Mars - Analysis of remote-sensing data},
  author = {Jakosky, B. M. and Christensen, P. R.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860047241},
  note = {Source identifier: 19860047241}
}