Title: Controlling quark mass determinations non-perturbatively 3-flavour QCD Authors: I. Campos, P. Fritzsch, C. Pena, D. Preti, A. Ramos and A. Vladikas Journal: EPJ Web of Conferences, Vol. 137, 08006, (2017) Conference Details: XIIth Quark Confinement and the Hadron Spectrum, Tesaloniki (Greece) DOI: https://10.1051/epjconf/201713708006