@misc{indiciae2a4c9e96da27,
  title = {The Mars Pathfinder Navigation System},
  author = {Helfrich, Cliff and Spencer, David and Vaughan, Robin and Kallemeyn, Pieter},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20210003651},
  note = {Source identifier: 20210003651}
}