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Fig. 8

image

Carbon over iron versus metallicities of stars presented in this work (black filled stars) and those from Aguado et al. (2016, red filled stars) analyzed with the improved methodology, together with stars from the literature (Sivarani et al. 2006; Yong et al. 2013; Frebel et al. 2005, 2006; Caffau et al. 2014; Allende Prieto et al. 2015) represented by blue filled circles.

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