Chemical abundances of 10 metal-poor halo stars G. S. Bai, G. Zhao, Y. Q. Chen, J. R. Shi, V. G. Klochkova, V. E. Panchuk, H. M. Qiu and H. W. Zhang A&A, 425 2 (2004) 671-681 Published online: 21 September 2004 DOI: 10.1051/0004-6361:20035753