EXCITATION OF 3 3P LEVEL OF He AND 4 2F LEVEL OF He+ WITH ELECTRON BEAMS A. Luches, V. Nassisi, A. Perrone et M. R. PerroneJ. Phys. Colloques, 40 C7 (1979) C7-67-C7-68DOI: https://doi.org/10.1051/jphyscol:1979733
