@misc{indiciae820fcc33f04d,
  title = {Automated Rock Identification for Future Mars Exploration Missions},
  author = {Gulick, V. C. and Morris, R. L. and Gazis, P. and Bishop, J. L. and Alena, R. and Hart, S. D. and Horton, A.},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20030111070},
  note = {Source identifier: 20030111070}
}