@misc{indiciae46516736f4eb,
  title = {Energy-selective reconstructions in X-ray computerized tomography.},
  author = {R E Alvarez and A Macovski},
  year = {1976},
  doi = {10.1088/0031-9155/21/5/002},
  url = {https://pubmed.ncbi.nlm.nih.gov/967922/},
  note = {Source identifier: 967922}
}