Fig. 11.

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Line profiles of Na I (λ16 388.9 Å), P I (λ15 711.5 Å), K I (λ15 163.1 and 15 168.4 Å) and Cr I (λ15 680.1 Å) for a selection of stars sorted by decreasing abundance. The line under consideration is indicated with a vertical red line. For each star, parameters are given for reference, including the abundance of the considered element.
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