@misc{indiciaec0580314a776,
  title = {Current Problems in X-Ray Emission Spectroscopy},
  author = {Goldstein, Joseph I. and Williams, David B. and Lyman, Charles E.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19970015517},
  note = {Source identifier: 19970015517}
}