@misc{indiciae14c11c01e197,
  title = {Satellite orbit determination},
  author = {Hildebrand, C. E. and Christensen, D. H. and Boggs, D. H. and Born, G. H. and Williams, B. G. and Shippony, Z.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800012916},
  note = {Source identifier: 19800012916}
}