@misc{indiciae705c2cd747a6,
  title = {A reflected-wave ruby maser with K-band tuning range and large instantaneous bandwidth},
  author = {Moore, C. R. and Clauss, R. C.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790041992},
  note = {Source identifier: 19790041992}
}