References for the numbering systems

Col	Reference

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

R1	Bragaglia A., et al. 1997, Mon. Not. R. Astron. Soc. 284, 477

R2	Piatti A.E., et al. 1998, Astron. J. 116, 801

R3	Sagar R., et al. 2001 Mon. Not. R. Astron. Soc. 327, 23

R4	Twarog B.A., et al. 2003, Astron. J. 125, 1383

R5	Montalto M., et al. 2009, Astron. Astrophys. 505, 1129

Back to the form