@misc{indiciae9e9da2d43820,
  title = {Master Clock and Time-Signal-Distribution System},
  author = {Tjoelker, Robert and Calhoun, Malcolm and Kuhnle, Paul and Sydnor, Richard and Lauf, John},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20090041651},
  note = {Source identifier: 20090041651}
}