@misc{indiciaee17791e0a794,
  title = {The e-beam sustained CO2 laser amplifier},
  author = {Brown, M. J. and Shaw, S. R. and Evans, M. H. and Smith, I. M. and Holman, W.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900015295},
  note = {Source identifier: 19900015295}
}