Col Reference --- --------- R1 Ortolani S., et al. 2005, Astron. Astrophys. 429, 607 R2 Carraro G., et al. 2005, Astron. Astrophys. 442, 917 Back to the form
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R1 Ortolani S., et al. 2005, Astron. Astrophys. 429, 607
R2 Carraro G., et al. 2005, Astron. Astrophys. 442, 917