@misc{indiciaed01302c70f4e,
  title = {Surface erosion caused on Mars from Viking descent engine plume},
  author = {Hutton, R. E. and Moore, H. J. and Scott, R. F. and Shorthill, R. W. and Spitzer, C. R.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810028474},
  note = {Source identifier: 19810028474}
}