@misc{indiciae667e32d2ca1c,
  title = {Radarclinometry of the Earth and Venus from space-shuttle and Venera-15 imagery},
  author = {R.L. Wildey},
  year = {1990},
  doi = {10.1007/bf00113857},
  url = {https://pubs.usgs.gov/publication/70016169},
  note = {Source identifier: 70016169}
}