@misc{indiciae4058ed65c467,
  title = {Spectrographic studies: Electron induced luminescence in optical materials},
  author = {Romanko, J. and Miles, J. K. and Cheever, P. R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720004981},
  note = {Source identifier: 19720004981}
}