Lifetime measurements and transition probability calculations in singly ionized tungsten (W II) H. Nilsson, L. Engström, H. Lundberg, P. Palmeri, V. Fivet, P. Quinet and É. Biémont Eur. Phys. J. D, 49 1 (2008) 13-19 Published online: 02 July 2008 DOI: 10.1140/epjd/e2008-00131-2