On the Stark broadening of Sr+ and Ba+ resonance lines in ultracold neutral plasmas M. A. Gigosos, M. Á. González and N. Konjević Eur. Phys. J. D, 40 1 (2006) 57-63 Published online: 14 July 2006 DOI: 10.1140/epjd/e2006-00169-0