COLLECTIVE SCATTERING OF CO2-LASER LIGHT BY THE HIGHLY IONIZED ARGON PLASMA OF A HOLLOW CATHODE ARC DISCHARGE B.F.M. Pots, J.J.H. Coumans et D.C. Schram J. Phys. Colloques, 40 C7 (1979) C7-797-C7-798 DOI: 10.1051/jphyscol:19797384