@misc{indiciae08426a1814ec,
  title = {X-ray visualization and analysis using spectral information.},
  author = {R S MACKAY},
  year = {1960},
  doi = {10.1109/iret-me.1960.5008015},
  url = {https://pubmed.ncbi.nlm.nih.gov/14419497/},
  note = {Source identifier: 14419497}
}