@misc{indiciaef7ea4d48b6d3,
  title = {The hollow-cathode helium-fluorine laser},
  author = {Crane, J. K. and Verdeyen, J. T.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800039314},
  note = {Source identifier: 19800039314}
}