共 13 条
- [1] BLAAUW A, 1948, B ASTRON I NETHERL, V10, P365
- [2] BOK BJ, 1935, HARVARD CIRC, V400, P16
- [3] BOSS B, 1938, ASTRONOMICAL J, V47, P125
- [4] BOSS L, 1936, GENERAL CATALOGUE 33
- [5] FLETSCHER A, 1932, MONTHLY NOTICES, V92, P780
- [6] GYLLENBERG W, 1927, MEDD LUND OBS, V2
- [7] RAYMOND H, 1915, AJ, V29, P25
- [8] SMART WM, 1938, STELLAR DYNAMICS
- [10] VANDEKAMP P, 1936, ASTRON J, V45, P177