Fig. 10.
[Mg/Fe] vs. [Al/Fe]. Filled yellow circles are our data for NGC 6528, filled blue triangles: NGC 6440 (Muñoz et al. 2017), filled red triangles: NGC6441 (Gratton et al. 2006), filled yellow triangles: Terzan 5 (Origlia et al. 2011), filled dark green triangles: NGC 6553 (Tang et al. 2017), filled magenta triangles: HP1 (Barbuy et al. 2016), filled orange triangles: bulge field stars (Lecureur et al. 2007), filled green square: GCs from Carretta et al. (2009a), filled gray triangles: halo and disk fields stars (Fulbright 2000; Reddy et al. 2003, 2006; Barklem et al. 2005; Cayrel et al. 2004).
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