TY  - RPRT
TI  - An improved X-ray phototimer.
AU  - P C HODGES
AU  - R T JENKINS
AU  - S F WILLIAMS
PY  - 1950
DO  - 10.1148/54.1.64
UR  - https://pubmed.ncbi.nlm.nih.gov/15409318/
ID  - 15409318
ER  -