The FERRUM project: Experimental f-values for 4p-5s transitions in Fe II H. Karlsson, C. M. Sikstrm, S. Johansson, Z. S. Li and H. Lundberg A&A, 371 1 (2001) 360-365 Published online: 15 May 2001 DOI: 10.1051/0004-6361:20010368