References

• Armandroff T., Massey P., 1985, ApJ 291, 685 NASA ADS
• Baade W., 1928, Astr. Nach 234, 407
• Baade W., 1963, In Evolution of Stars and Galaxies. Harvard University, Cambridge, MA
• Bahcall J.N., Soneira R.M., 1980, ApJS 44, 173
• Bencivenni D., Brocato E., Buonanno R., Castellani V., 1991, AJ 102, 137 NASA ADS
• Bertelli G., Bressan A., Fagotto F., Choisi C., Nasi E., 1994, AAS 106, 275 NASA ADS
• Bica E., Clariá J., Dottori H., 1992, AJ 103, 1859 NASA ADS
• Bica E., Clariá J., Piatti A., 1996, ApJS 102, 57 NASA ADS
• Gallart C., Aparicio A., Vilchez J.M., 1996a, AJ 112, 1928 NASA ADS
• Gallart C., Aparicio A., Bertelli G., Chiosi C., 1996b, AJ 112, 1950 NASA ADS
• Gallart C., Aparicio A., Bertelli G., Chiosi C., 1996c, AJ 112, 2596 NASA ADS
• Carlson G., Sandage A., 1990, ApJ 352, 587 NASA ADS
• Charbonnel C., Maynet G., Maeder A., Schaller G., Schaerer D., 1993, AAS 101, 415 NASA ADS
• Crampton D., Cowley A., Schade D., Chayer P., 1985, ApJ 288, 494 NASA ADS
• Flannery B., Johnson B., 1982, ApJ 263, 166 NASA ADS
• Flower P., 1996, ApJ 469, 355 NASA ADS
• Freedman W., 1988a, AJ 96, 1248 NASA ADS
• Freedman W., 1988b, ApJ 326, 1988
• Ivanov G., 1996, AA 305, 708 NASA ADS
• Johnson H., Morgan W., 1953, ApJ 117, 313 NASA ADS
• Haiman Z., Magnier E., Battinelli P., Lewin W., et al., 1994, AA 290, 371 NASA ADS
• Helfand D., 1996, Technical Report, Columbia Univ. New York, NY United States
• Hodge P., 1978, ApJS 37, 145 NASA ADS
• Hodge P., 1986, in de Loore, A. Willis and Laskarides (eds.), "System of Stellar Associations in Galaxies'', IAU Symp. 132, 369
• Hodge P., Smith T., Eskridge P., Macgillivray H., Beard S., 1991, ApJ 369, 372 NASA ADS
• Kingsbugh R., Barlow M., 1995, AA 295, 171 NASA ADS
• Lake G., Skillman E., 1989, AJ 98, 127
• Massey P., Garmany C., Degiola-Eastwood K., 1989, AJ 97, 107 NASA ADS
• Massey P., Lang C., DeGioia-Eastwood K., Garmany C., 1995a, ApJ 438, 188 NASA ADS
• Massey P., Johnson K., DeGioia-Eastwood K., 1995b, ApJ 454, 151 NASA ADS
• Massey P., 1998, NOAO preprint No. 778
• Parker J., Garmany C., Catharine D., Massey P., Walborn N., 1989, AJ 103, 1205 NASA ADS
• Parker J., Garmany C., 1993, AJ 106, 1471 NASA ADS
• Peimbert M., Bohigas J., Torres-Peimbert S., 1988, Rev. Mexicana Astron. Astrof. 16, 45 NASA ADS
• Rosado M., 1998 (private communication)
• Phelps R., Janes K., 1993, AJ 106, 1870 NASA ADS
• Ratnatunda K., Bahcall J., 1985, ApJS 58, 63
• Reimann H., Pfau W., 1987, Astron. Nachr. 308, 111 NASA ADS
• Sandage A., 1971, ApJ 166, 13 NASA ADS
• Saha A., Freedman W., Hoessel J., Mossman A., 1992, AJ 104, 1072 NASA ADS
• Schmidt-Kaler T., 1982, in Landolt-Bornstein, Group VI, Vol. 2: Astronomy and astrophysics, Subvolume b: Star and star clusters, Schaifers K. and Voigt H.H. (eds.). Springer, Berlin
• Stetson P., Harris W., 1988, AJ 96, 909 NASA ADS
• Stetson P., 1991, in The Formation and Evolution of Star Clusters, ASP Conf. Ser. 13, Janes K.A. (ed.). ASP, San Francisco, p. 88
• Stetson P., 1993, Users manual for DAOPHOT II
• Westpfahl D., Wilcots E., Graham M., Olsen K., 1996, AAS 188, 4316 NASA ADS
• Wolf M., 1906, MNRAS 67, 91
• Vanden Berg D., 1997 (private communication)