SPACE AND TIME RESOLVED MEASUREMENTS OF ELECTRON AND ATOMIC EXCITED STATES DENSITIES IN A CO2 LASER-PRODUCED PLASMA OF HELIUM J. C. Gauthier, J. P. Geindre et N. GrandjouanJ. Phys. Colloques, 40 C7 (1979) C7-737-C7-738DOI: https://doi.org/10.1051/jphyscol:19797356