Oxygen and magnesium abundance in the ultra-metal-poor giants CS 22949-037 and CS 29498-043: Challenges in models of atmospheresG. Israelian, N. Shchukina, R. Rebolo, G. Basri, J. I. González Hernández and T. KajinoA&A, 419 3 (2004) 1095-1109DOI: https://doi.org/10.1051/0004-6361:20035785
