@misc{indiciae71984e59ef67,
  title = {Mars surface composition from reflectance spectroscopy - A summary},
  author = {Singer, R. B. and Clark, R. N. and Mccord, T. B. and Adams, J. B. and Huguenin, R. L.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800042224},
  note = {Source identifier: 19800042224}
}