References for the numbering systems

Col	Reference

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

R1	Kaluzny J. 1994, Acta Astr. 44, 247 (Table 2)

R2	Kaluzny J. 1994, Acta Astr. 44, 247 (Table 1)

R3	Phelps R. 1997, Astrophys. J. 483, 826

R4	Phelps R.L., et al. 1994, Astron. J. 107, 1079

R5	Carraro G., et al. 1999, Astron. Astrophys. 343, 825

R6	Krusberg Z.A.C., Chaboyer B. 2006, Astron. J. 131, 1565

R7	Bragaglia A., et al. 2006, Mon. Not. R. Astron. Soc. 368, 1971

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