@misc{indiciae23940550619b,
  title = {Preliminary results on photometric properties of materials at the Sagan Memorial Station, Mars},
  author = {Jeffrey R. Johnson and Randolph L. Kirk and Laurence A. Soderblom and Lisa R. Gaddis and Robert J. Reid and Daniel T. Britt and Peter Smith and Mark T. Lemmon and Nicolas Thomas and James F. Bell and Nathan T. Bridges and Robert Anderson and Kenneth E. Herkenhoff and Justin N. Maki and Scott L. Murchie and Andreas Dummel and Ralf Jaumann and Frank Trauthan and Gabriele Arnold},
  year = {1999},
  doi = {10.1029/98je02247},
  url = {https://pubs.usgs.gov/publication/70021706},
  note = {Source identifier: 70021706}
}