TY  - RPRT
TI  - Density effect in K-shell ionization by relativistic electron impact.
AU  - SC McDonald
AU  - BM Spicer
PY  - 1988
DO  - 10.1103/physreva.37.985
UR  - https://pubmed.ncbi.nlm.nih.gov/9899746/
ID  - 9899746
ER  -