Looking for imprints of the first stellar generations in metal-poor bulge field starsC. Siqueira-Mello, C. Chiappini, B. Barbuy, K. Freeman, M. Ness, E. Depagne, E. Cantelli, M. Pignatari, R. Hirschi, U. Frischknecht, G. Meynet and A. MaederA&A, 593 (2016) A79DOI: https://doi.org/10.1051/0004-6361/201628104
