@misc{indiciae3b2ad4b65744,
  title = {A simplified subtraction technique.},
  author = {R P Rice and L E Barnhardt},
  year = {1966},
  doi = {10.2214/ajr.97.2.529},
  url = {https://pubmed.ncbi.nlm.nih.gov/5329338/},
  note = {Source identifier: 5329338}
}