@misc{indiciae915d8dd3fe68,
  title = {The exponential edge-gradient effect in x-ray computed tomography.},
  author = {P M Joseph and R D Spital},
  year = {1981},
  doi = {10.1088/0031-9155/26/3/010},
  url = {https://pubmed.ncbi.nlm.nih.gov/7243880/},
  note = {Source identifier: 7243880}
}