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- [42] CCD PHOTOMETRY OF THE GLOBULAR-CLUSTER NGC 5897 - MORPHOLOGY OF THE COLOR MAGNITUDE DIAGRAM ASTRONOMICAL JOURNAL, 1992, 104 (01): : 178 - 189
- [43] PHYSICAL CHARACTERISTICS OF GIANT STARS IN ANOMALOUS GLOBULAR CLUSTER NGC-362 ASTROPHYSICAL JOURNAL, 1974, 193 (01): : 139 - 145
- [44] BVRI CCD PHOTOMETRY OF THE GLOBULAR-CLUSTER NGC-1904 (M79) ASTRONOMICAL JOURNAL, 1994, 107 (01): : 230 - 239
- [45] BVRI CCD PHOTOMETRY OF THE METAL-POOR GLOBULAR-CLUSTER NGC-4372 ASTRONOMICAL JOURNAL, 1991, 102 (01): : 159 - 176
- [47] EFFECTS OF MASS SEGREGATION ON GLOBULAR-CLUSTER MAIN-SEQUENCE LUMINOSITY FUNCTIONS ASTRONOMICAL JOURNAL, 1986, 92 (06): : 1358 - 1363
- [49] The main sequence of the globular cluster M4=NGC 6121 from CCD NTT photometry ASTRONOMICAL JOURNAL, 1997, 114 (01): : 189 - 197