@misc{indiciae05e58854bf68,
  title = {Relay Satellite Orbit Selection Considerations for Future Robotics Missions to Explore Venus},
  author = {Nelson, K. and McOmber, R. and Hastrup, R.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/20210003973},
  note = {Source identifier: 20210003973}
}