@misc{indiciae821d188b76ee,
  title = {PSA: A program to streamline orbit determination for launch support operations},
  author = {Legerton, V. N. and Mottinger, N. A.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890000818},
  note = {Source identifier: 19890000818}
}