@misc{indiciae04b91b7c2ee6,
  title = {Repetitively pulsed, tunable ruby laser with solid etalon mode control.},
  author = {Tiffany, W. B.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680035877},
  note = {Source identifier: 19680035877}
}