共 30 条
- [1] [Anonymous], 1963, OBSERVATORY, V83, P150
- [2] BEALS CS, 1938, IAU T, V6, P248
- [3] Becker W., 1964, ZA, V58, P202
- [4] Bok B. J., 1959, OBSERVATORY, V79, P58
- [5] BRUN A, 1957, ATLAS 139 SELECTED A
- [6] Campbell W. W., 1893, PASP, V5, P204, DOI 10.1086/120675
- [8] HENIZE KG, 1961, PUBLS ASTRON SOC PAC, V73, P247
- [10] HOAG AA, 1961, PUBLS US NAVAL O 2 7, V17