TY  - RPRT
TI  - Reducing electron contamination for photon beam-quality specification.
AU  - X A Li
AU  - D W Rogers
PY  - 1994
DO  - 10.1118/1.597395
UR  - https://pubmed.ncbi.nlm.nih.gov/7935216/
ID  - 7935216
ER  -