@misc{indiciaecc7eb3b77be6,
  title = {Chemical mapping of planetary surfaces},
  author = {Haines, E. L. and Metzger, A. E. and Arnold, J. R.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760052655},
  note = {Source identifier: 19760052655}
}