@misc{indiciae622308739d24,
  title = {A modular multiple use system for precise time and frequency measurement and distribution},
  author = {Reinhardt, V. S. and Adams, W. S. and Lee, G. M. and Bush, R. L.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790016571},
  note = {Source identifier: 19790016571}
}