@misc{indiciae7a39b8a051f6,
  title = {White light laser},
  author = {Billman, K. W. and Leonard, E. T. and Yaffee, M. A.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700055930},
  note = {Source identifier: 19700055930}
}