TY  - RPRT
TI  - Letter: Average absorbed dose in thin absorbers.
AU  - W D McDavid
AU  - R G Waggener
PY  - 1974
DO  - 10.1088/0031-9155/19/1/013
UR  - https://pubmed.ncbi.nlm.nih.gov/4438439/
ID  - 4438439
ER  -