@misc{indiciae55fc8d3accec,
  title = {Stabilized fiber-optic frequency distribution system},
  author = {Primas, L. E. and Lutes, G. F. and Sydnor, R. L.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890018508},
  note = {Source identifier: 19890018508}
}