@misc{indiciae53a08e5a968f,
  title = {Topographic map of Venus (sheet 1); shaded relief map of Venus (sheet 2)},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1984},
  doi = {10.3133/i1562},
  url = {https://pubs.usgs.gov/publication/i1562},
  note = {Source identifier: i1562}
}