@article{articlee22724bc,
title   = {First stars VI-Abundances of C, N, O, Li, and mixing in extremely metal-poor giants: galatic evolution of the light elements},
author = {Spite, M and Cayrel, R and Plez, B and Hill, V and Spite, F and Depagne, E and Francois, P and Bonifacio, P and Barbuy, Beatriz Leonor Silveira and Beers, T and Andersen, J and Molaro, P and Norstron, B and Primas, F},
year = {2005},
journal   = {Astronomy and Astrophysics}
}