TY  - RPRT
TI  - K-Electron Ionization by Direct Impact of Cathode Rays.
AU  - D L Webster
PY  - 1928
DO  - 10.1073/pnas.14.4.339
UR  - https://pubmed.ncbi.nlm.nih.gov/16587345/
ID  - 16587345
ER  -