@misc{indiciaebcef9da54c46,
  title = {The potential use of satellites in hyperbolic position finding.},
  author = {Casserly, G. W. and Filkins, L. D.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670043664},
  note = {Source identifier: 19670043664}
}