@article{article7b8b532c,
title   = {First stars. III. A detailed elemental abundance study of four extremely metal-poor giant stars},
author = {François, P and Depagne, E and Hill, V and Spite, M and Spite, F and Plez, B and Beers, T.C and Barbuy, Beatriz Leonor Silveira and Cayrel, R and Andersen, J and Bonifacio, P. and Molaro, P and Nordström, B and Primas, F.},
year = {2003},
doi = {10.1051/0004-6361:20030438},
journal   = {Astronomy and Astrophysics}
}