@article{articlec260d716,
title   = {The age structure of the Milky Way’s halo},
author = {Carollo, D and Beers, T. C and Placco, V. M and Rossi, Silvia Cristina Fernandes},
year = {2016},
doi = {10.1038/NPHYS3874},
journal   = {Nature Physics}
}