共 14 条
[1]
[Anonymous], 1922, ASTROPHYS J, DOI DOI 10.1086/142660
[2]
Gyldenkerne K., 1958, ANN ASTROPHYS, V21, P26
[3]
IWANOWSKA W, 1936, STOCK ANN, V12, P5
[4]
Keenan P. C., 1958, HDB PHYS, V50, P93
[8]
LINDBLAD B, 1927, UPS MEDD, V28
[9]
Morgan W. W., 1943, ATLAS STELLAR SPECTR
[10]
OHMAN Y, 1927, UPS MEDD, V33