@misc{indiciae82a8c5c87b0f,
  title = {Precise terrestrial time: A means for improved ballistic missile guidance analysis},
  author = {Ehrsam, E. E. and Cresswell, S. A. and Mckelvey, G. R. and Matthews, F. L.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790016565},
  note = {Source identifier: 19790016565}
}