@misc{indiciae39c1e38727b4,
  title = {Radiometric calibration of spacecraft using small lunar images},
  author = {Hugh H. Kieffer and James M. Anderson and Kris J. Becker},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70020918},
  note = {Source identifier: 70020918}
}