TY  - RPRT
TI  - The Secondary Electrons Produced by Hard X-Rays in Light Elements.
AU  - H Fricke
AU  - O Glasser
PY  - 1924
DO  - 10.1073/pnas.10.11.441
UR  - https://pubmed.ncbi.nlm.nih.gov/16586946/
ID  - 16586946
ER  -