@misc{indiciae1a3e8a4070b4,
  title = {A spatially-coded x-ray source.},
  author = {H H Barrett and K Garewal and D T Wilson},
  year = {1972},
  doi = {10.1148/104.2.429},
  url = {https://pubmed.ncbi.nlm.nih.gov/5045004/},
  note = {Source identifier: 5045004}
}