@misc{indiciae69f1ff504ff1,
  title = {Monolithic Unidirectional Planar Ring Laser},
  author = {Nilsson, Alan C. and Byer, Robert L.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900000583},
  note = {Source identifier: 19900000583}
}