TY - JOUR
AU - W. Peterson
AU - Earl Beaty
AU - C. Opal
BT - Physical Review A
DA - Jan-02-1972
DO - 10.1103/PhysRevA.5.712
PY - 1972
SP - 712
EP - 723
T2 - Physical Review A
TI - Measurements of Energy and Angular Distributions of Secondary Electrons Produced in Electron-Impact Ionization of Helium
VL - 5
SN - 0556-2791
ER -