共 13 条
[1]
SAWYER, 1927, HARVARD B, V848
[2]
SEARES, 1930, MOUNT WILSON CATALOG
[3]
SHAPLEY, 1930, STAR CLUSTERS, P158
[4]
SHAPLEY, 1929, HARVARD B, V869
[5]
SHAPLEY, 1930, STAR CLUSTERS, P160
[6]
SHAPLEY, 1927, HARVARD B, V852
[7]
SHAPLEY, 1929, HARVARD B, V868
[8]
1925, SITZ PREUSS AKAD WIS, V27, P508
[9]
1937, VIERT ASTR GES, V72, P160
[10]
1935, P NAT ACAD SCI, V21, P593