@misc{indiciae62d490711acb,
  title = {TUNABLE, HIGH STABILITY, MICROWAVE OSCILLATOR},
  author = {Poynter, R. L. and Steffensen, G. R.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630005401},
  note = {Source identifier: 19630005401}
}