SIMULTANEOUS MEASUREMENTS OF MICROCRATER EMISSIONS OF CURRENT AND COPPER LIGHT AT THE CATHODE OF A MOVING ARC M.G. Drouet, P. Dancer, P. Kieffer et H. Mercure J. Phys. Colloques, 40 C7 (1979) C7-437-C7-438 DOI: 10.1051/jphyscol:19797212