Abundances of Cu and Zn in metal-poor stars: Clues for Galaxy evolution T. V. Mishenina, V. V. Kovtyukh, C. Soubiran, C. Travaglio and M. Busso A&A, 396 1 (2002) 189-201 Published online: 22 November 2002 DOI: 10.1051/0004-6361:20021399