Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing E. Arnone, S. G. Ryan, D. Argast, J. E. Norris and T. C. Beers A&A, 430 2 (2005) 507-522 Published online: 20 January 2005 DOI: 10.1051/0004-6361:20041034