@misc{indiciaefedb6fffe704,
  title = {Gaussian-Beam Laser-Resonator Program},
  author = {Cross, Patricia L. and Bair, Clayton H. and Barnes, Norman},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890000515},
  note = {Source identifier: 19890000515}
}