Application of Blanc's law at arbitrary electric field to gas density ratios J. V. Jovanović, S. B. Vrhovac and Z. Lj. Petrović Eur. Phys. J. D, 28 1 (2004) 91-99 Published online: 14 October 2003 DOI: 10.1140/epjd/e2003-00285-3