@misc{indiciae2c78fe614ee5,
  title = {Lunar terrain mapping and relative-roughness analysis},
  author = {Rowan, L. C. and Mccauley, J. F. and Holm, E. A.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720008109},
  note = {Source identifier: 19720008109}
}