@misc{indiciaec9e836dc165d,
  title = {Tetravalent Chromium (Cr(4+)) as Laser-Active Ion for Tunable Solid-State Lasers},
  author = {Seas, A. and Petricevic, V. and Alfano, Robert R.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940014921},
  note = {Source identifier: 19940014921}
}