共 12 条
- [2] HOLMBERG E, 1958, MEDD LUNDS ASTRON OB, P136
- [5] Sandage A., 1961, HUBBLE ATLAS GALAXIE
- [6] SANDAGE AR, 15 IAU S SANT BARB C
- [7] MAGNITUDES AND COLORS OF 176 EXTRAGALACTIC NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1952, 115 (02) : 284 - 291
- [10] MULTICOLOR PHOTOELECTRIC PHOTOMETRY OF BRIGHT GALAXIES .1. [J]. ASTRONOMICAL JOURNAL, 1961, 66 (08) : 390 - 404