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Fig. 11


Zn abundance in the VMP and EMP giants here studied. The position of the two reference stars CS 31082-001 (r-rich) and HD 122563 (r-poor but Sr-rich) stars are indicated by red filled circles and both have a normal position for their metallicity. On the contrary, CS 22897-008 and the CEMP star CS 22949-037 seem to be Zn-rich.

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