PLASMA INSTABILITY IN HIGH-POWER CO2 LASER AMPLIFIERS R. Bruzzese, S. Solimeno, G.L. Braglia, S. Martelluci and J. Quartieri J. Phys. Colloques, 41 C9 (1980) C9-363-C9-369 DOI: 10.1051/jphyscol:1980950