A COLLISIONAL RADIATIVE MODEL OF THE ARGON ION SYSTEM TESTED FOR A LARGE RANGE OF ELECTRON DENSITIES V. Van Der Sijde, B. F.M. Pots et D. C. SchramJ. Phys. Colloques, 40 C7 (1979) C7-23-C7-24DOI: https://doi.org/10.1051/jphyscol:1979711