@misc{indiciae49f1797a3e94,
  title = {Relay Satellite Orbit Selection Considerations for Future Robotics Missions to Explore Venus},
  author = {Hastrup, Rolf C.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/20210003909},
  note = {Source identifier: 20210003909}
}