RELATIVE INITIAL POPULATIONS OF FOIL-EXCITED HELIUIM AND LITHIUM AT ION ENERGIES BETWEEN 70 KEV AND 400 KEV G. Heine, H. H. Bukow et H. v. ButtlarJ. Phys. Colloques, 40 C1 (1979) C1-269-C1-271DOI: https://doi.org/10.1051/jphyscol:1979158
