@misc{indiciaebe5a10fd24f7,
  title = {Tunable Filter Made From Three Coupled WGM Resonators},
  author = {Savchenkov, Anatoliy and Iltchenko, Vladimir and Maleki, Lute and Matsko, Andrey},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20100021332},
  note = {Source identifier: 20100021332}
}