@misc{indiciaea696e59c7a63,
  title = {Venus - Improved spin vector from Goldstone radar observations},
  author = {Slade, M. A. and Zohar, S. and Jurgens, R. F.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900066050},
  note = {Source identifier: 19900066050}
}