共 4 条
[1]
GAPOSCHKIN S, 1943, HARVARD B, V917, P15
[2]
Morgan W.W., 1955, ASTROPHYS J SUPPL S, V2, P41, DOI DOI 10.1086/190016
[4]
PARENAGO P, 1930, ASTRON NACHR, V238, P209