@misc{indiciae009842c8b5e5,
  title = {Finite-aperture waveguide-laser resonators.},
  author = {Degnan, J. J. and Hall, D. R.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730055958},
  note = {Source identifier: 19730055958}
}