The Gaia-ESO Survey: Hydrogen lines in red giants directly trace stellar mass
Journal article published in 2016 by
M. Bergemann,
A. Serenelli,
R. Schönrich,
G. Ruchti,
A. Korn,
S. Hekker,
M. Kovalev,
L. Mashonkina,
G. Gilmore,
S. Randich,
M. Asplund,
H.-W. Rix,
A.~R Casey,
P. Jofre,
E. Pancino 
and other authors.
and other authors.
