@misc{indiciaedfe45fe5cdb6,
  title = {Letter: Average absorbed dose in thin absorbers.},
  author = {W D McDavid and R G Waggener},
  year = {1974},
  doi = {10.1088/0031-9155/19/1/013},
  url = {https://pubmed.ncbi.nlm.nih.gov/4438439/},
  note = {Source identifier: 4438439}
}