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Fig. 3


Elemental abundances for HE 1327-2326, two post-AGB stars, and RV Tauri stars plotted versus condensation temperature TC from Lodders (2003) for the solar composition. HP Lyr and UY CMa are RV Tauri stars, the abundances are from Giridhar et al. (2005). HD 52961 and HR 4049 are A-type post-AGB stars and the abundances are from Waelkens et al. (1991), plus Zn from Takeda et al. (2002), and Van Winckel et al. (1992), respectively. This is a slightly modified version of Fig. 2 of Venn & Lambert (2008).

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