Col Reference --- --------- R1 Bassino L.P., et al. 2000, Astron. Astrophys. 355, 138 R2 Carraro G. 2000, Astron. Astrophys. 357, 145 Back to the form
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R1 Bassino L.P., et al. 2000, Astron. Astrophys. 355, 138
R2 Carraro G. 2000, Astron. Astrophys. 357, 145