@misc{indiciae6f8fba93b29d,
  title = {The Ishtar Terra region of Venus in four map sheets; 1, Radar image map of the Ishtar Terra region of Venus; 2, Radar image and shaded relief map of the Ishtar Terra region of Venus; 3, Altimetric radar image map of the Ishtar Terra region of Venus; and 4, Topographic map of the Ishtar Terra region of Venus},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1998},
  doi = {10.3133/i2490},
  url = {https://pubs.usgs.gov/publication/i2490},
  note = {Source identifier: i2490}
}