Oxygen and zinc abundances in 417 Galactic bulge red giants★ - Silveira, C. R. da; Barbuy, Beatriz Leonor Silveira; Friaça, Amâncio César Santos; Hill, V; Zoccali, M; Rafelski, S; González, O. A; Minniti, D; Renzini, A; Ortolani, S (Astronomy & Astrophysics, 2018)