@article{articleed1d8aeb,
title   = {The hubble Space Telescope UV legacy survey of galactic globular clusters: XVI. The helium abundance of multiple populations},
author = {Milone, A. P and Marino, A. F and Renzini, A and Barbuy, Beatriz Leonor Silveira},
year = {2018},
doi = {10.1093/mnras/sty2573},
journal   = {Monthly Notices of the Royal Astronomical Society}
}