Experimental pressure dependence of positive corona discharge in N2 R. Benocci, A. Galassi, L. Mauri, M. Piselli and M. Sciascia Eur. Phys. J. D, 25 2 (2003) 157-160 Published online: 30 July 2003 DOI: 10.1140/epjd/e2003-00240-4