@misc{indiciae7ab6ac77cda3,
  title = {Lunar surface models.},
  author = {Cramblit, D. C. and Mason, R. L. and Oliver, J. R. and Von Tiesenhausen, G.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680056102},
  note = {Source identifier: 19680056102}
}