Light emission from corona discharge in SF6 and SF6/N2 gas mixtures at high pressure A. Lemzadmi, N. Bonifaci, A. Denat and M. Nemamcha Eur. Phys. J. Appl. Phys., 33 3 (2006) 213-219 Published online: 04 April 2006 DOI: 10.1051/epjap:2006025