Chemical abundances in 43 metal-poor stars K. Jonsell, B. Edvardsson, B. Gustafsson, P. Magain, P. E. Nissen and M. Asplund A&A, 440 1 (2005) 321-343 Published online: 19 August 2005 DOI: 10.1051/0004-6361:20052797