References for the numbering systems

Col	Reference

---	---------

R1	Piatti, A.E., Claria J.J., Bica E. 2000, Astron. Astrophys. 360, 529 (Table 6b)

R2	Piatti, A.E., Claria J.J., Bica E. 2000, Astron. Astrophys. 360, 529 (Table 6a)

R3	Paunzen E., et al. 2006, Astron. Astrophys. 454, 171

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