TY  - RPRT
TI  - Range spectra in electron penetration problems.
AU  - D Perry
AU  - M Wollin
AU  - A Olch
AU  - A Buffa
PY  - 1998
DO  - 10.1118/1.598168
UR  - https://pubmed.ncbi.nlm.nih.gov/9472825/
ID  - 9472825
ER  -