@misc{indiciaea6c3b7ce8517,
  title = {Progress Report for a New Cryogenic Sapphire Oscillator},
  author = {Wang, Rabi T. and Dick, G. J. and Tjoelker, R. L.},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20060051537},
  note = {Source identifier: 20060051537}
}