@misc{indiciae391881ddac7d,
  title = {Venus - A total mass estimate},
  author = {Sjogren, W. L. and Trager, G. B. and Roldan, G. R.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900065448},
  note = {Source identifier: 19900065448}
}