A 1986A&A...162...21B Bica & Alloin B 2001A&A...377..845A Ahumada et al. C 1998A&AS..131..483B Bica et al. D 2002MNRAS.........P Piatti et al. 2002, MNRAS, in prep. E 1998A&AS..127..423P Piatti et al. F 1993MNRAS.260..915S Santos & Bica G 2000A&AS..141...79A Ahumada et al. H 1998AJ....116..801P Piatti et al. I 1999MNRAS.303...65P Piatti et al. J 2000A&A...360..529P Piatti et al. Cat. K 2000A&A...362..959P Piatti et al.