@misc{indiciae6e9128a95a7a,
  title = {Automatic tuning of a superconducting cavity using optical feedback.},
  author = {Baker, G. L. and Hartwig, W. H. and Stone, J. L.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690055792},
  note = {Source identifier: 19690055792}
}