@misc{indiciaef71db4113e8e,
  title = {Conventions for wedge filter specifications.},
  author = {D B Hughes and C J Karzmark and R M Levy},
  year = {1972},
  doi = {10.1259/0007-1285-45-539-868-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4636677/},
  note = {Source identifier: 4636677}
}