@misc{indiciae3c2fd541004b,
  title = {Orbit and position determination for Mars orbiters and landers},
  author = {Anderson, S. G. and Blackshear, W. T. and Tolson, R. H.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700065745},
  note = {Source identifier: 19700065745}
}