@misc{indiciae56707892bc3e,
  title = {Master clock and time distribution system for the NASA Deep Space Network},
  author = {Tjoelker, R. L. and Sydnor, R. L. and Kuhnle, P. F. and Calhoun, M. and Lauf, J.},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20210001650},
  note = {Source identifier: 20210001650}
}