Evolution of Li (top) according to our Model A (see Table 1) and percentages of its various components (bottom): 7Li from GCR (dot-dashed), 6Li from GCR (dotted), 7Li from ν-nucleosynthesis (NN, dashed) and 7Li from a delayed stellar source (novae and/or AGB stars, long dashed). Solid curves indicate total Li (upper panel) and primordial 7Li (lower panel). Abundance data (upper panel for halo stars are taken from Charbonnel & Primas (2005, filled squares), Sbordone et al. (2010, filled circles), Bonifacio et al. (2007, open circles), Garcia-Perez et al. (2009, open triangles), Asplund et al. (2006, asterisks) and for disc stars from Lambert & Reddy (2004, dots). In the latter case, points with error bars indicate the average values of the six most Li-rich stars in the corresponding metallicity bins.
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