共 10 条
[1]
BRILL, BERL BAB VEROFF, V7, P1
[2]
KOPAL Z, 1935, Z ASTROPH, V9, P272
[3]
PAYNE C, 1930, HARV OBS MON, P3
[4]
SHAPLEY, 1930, STAR CLUSTERS, P130
[5]
1930, M N, V90, P59
[6]
1932, M N, V92, P480
[7]
BERL BAB VEROFF, V7, P1
[8]
1937, KL VEROFF BERL BABEL, P18
[9]
1930, H B, P876
[10]
1919, M N, V79, P2