TY  - RPRT
TI  - Conventions for wedge filter specifications.
AU  - D B Hughes
AU  - C J Karzmark
AU  - R M Levy
PY  - 1972
DO  - 10.1259/0007-1285-45-539-868-a
UR  - https://pubmed.ncbi.nlm.nih.gov/4636677/
ID  - 4636677
ER  -