Why does a low-pressure wire-discharge exist self-sustained? M. Makarov, Y. Loumani, T. Minea, G. Gousset and A. Kozyrev Europhys. Lett., 74 3 (2006) 431-437 Published online: 22 March 2006 DOI: 10.1209/epl/i2005-10542-y