@misc{indiciae6f6c6e34bffe,
  title = {Topography, structure, and mare ridges in southern Mare Imbrium and northern Oceanus Procellarum},
  author = {Baerbel K. Lucchitta},
  year = {1977},
  url = {https://pubs.usgs.gov/publication/70200525},
  note = {Source identifier: 70200525}
}