@misc{indiciae9a9a36fc9d3d,
  title = {Status of Frequency and Time Support for NASA Programs},
  author = {Kuhnle, P. and Kushmeider, P. and Wardrip, S.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/20060039556},
  note = {Source identifier: 20060039556}
}