Extended analysis of the Ar VII spectrum in the vacuum ultraviolet region F. O. Borges, F. Bredice, G. H. Cavalcanti, M. Gallardo, M. Raineri, J. G. Reyna Almandos and A. G. Trigueiros Eur. Phys. J. D, 36 1 (2005) 23-27 Published online: 30 August 2005 DOI: 10.1140/epjd/e2005-00242-2