@misc{indiciae3cfeb9dd9076,
  title = {Venus; quantitative analyses of terrain units identified fron Venera 15/16 data and described in Open-file Report 90-24},
  author = {G. G. Schaber},
  year = {1990},
  doi = {10.3133/ofr90468},
  url = {https://pubs.usgs.gov/publication/ofr90468},
  note = {Source identifier: ofr90468}
}