@misc{indiciae48efa8bcf9c8,
  title = {Time synchronization of remote clocks using dual VLF transmission.},
  author = {Chi, A. R. and Witt, S. N., Jr.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660056403},
  note = {Source identifier: 19660056403}
}