@misc{indiciae2e90a35f815f,
  title = {Status of frequency and time support for NASA systems},
  author = {Kuhnle, Paul F. and Kushmeider, Paul J. and Wardrip, S. Clark},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19940026135},
  note = {Source identifier: 19940026135}
}