TY  - RPRT
TI  - X-ray source and the output factor.
AU  - T C Zhu
AU  - B E Bjärngard
AU  - H Shackford
PY  - 1995
DO  - 10.1118/1.597588
UR  - https://pubmed.ncbi.nlm.nih.gov/7565368/
ID  - 7565368
ER  -