Fig. 4

Abundance ratios involving Mn, Cu, Zn, Nd, Eu, and Fe. Error bars are defined as in
Fig. 1. Results of the least-squares fits are
shown for each panel. For the fits a) − c), only filled
symbols were used, and for d) − f), normal stars (open
triangles) were included, except HD 113226. The straight line is shown only for fits
with . Symbols are the same as in
Fig. 1. The results for the least-squares
fits are given in Table 7.
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