@misc{indiciae9b1be89dcad5,
  title = {Cone-beam tomography with discrete data sets.},
  author = {H H Barrett and H Gifford},
  year = {1994},
  doi = {10.1088/0031-9155/39/3/012},
  url = {https://pubmed.ncbi.nlm.nih.gov/15559983/},
  note = {Source identifier: 15559983}
}