共 44 条
- [4] BURBIDGE GR, 1968, ASTROPHYS J, V73, P890
- [5] CAMPBELL WW, 1918, LICK OB PUB, V13, P122
- [6] CAMPBELL WW, 1918, LICK OBS PUBL, V13, P88
- [7] HYDROGEN RADIATION SPECTRUM IN GASEOUS NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1964, 139 (01) : 225 - &
- [8] PROPERTIES OF GALAXIES - COLOR-MAGNITUDE DIAGRAM [J]. ASTRONOMICAL JOURNAL, 1964, 69 (08) : 635 - &
- [9] CZYZAK SJ, 1968, IAU34 S, P138
- [10] CZYZAK SJ, 1970, PRIVATE COMMUNICATIO