RAMAN MICROPROBE SPECTROSCOPY OF CORROSION PRODUCTS FORMED ON ELECTRODES SUBJECTED TO CORONA DISCHARGES R. Le Ny, C. Fiaud et A.T. Nguyen J. Phys. Colloques, 45 C2 (1984) C2-661-C2-664 DOI: 10.1051/jphyscol:19842154