TOPoS - VI. The metal-weak tail of the metallicity distribution functions of the Milky Way and the Gaia-Sausage-Enceladus structure
P. Bonifacio, L. Monaco, S. Salvadori, E. Caffau, M. Spite, L. Sbordone, F. Spite, H.-G. Ludwig, P. Di Matteo, M. Haywood, P. François, A. J. Koch-Hansen, N. Christlieb and S. Zaggia
