@misc{indiciae1c0750525b45,
  title = {Nonradiative relaxation and laser action in tunable solid state laser crystals},
  author = {Petricevic, V. and Gayen, S. K. and Alfano, R. R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890010168},
  note = {Source identifier: 19890010168}
}