TY  - RPRT
TI  - Density effect for the ionization loss of charged particles in various substances 
AU  - Sternheimer, R M
AU  - Berger, M J
AU  - Seltzer, S M
PY  - 1983
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 83-2785
DO  - 10.6028/NBS.IR.83-2785
ER  -