共 16 条
[1]
Babcock H. W., 1958, ASTROPHYS J, V3, P141, DOI DOI 10.1086/190035
[4]
Huffer C. M., 1931, PUBLS WASHBURN OBS W, V15, P205
[6]
JOY AH, 1937, AP J, V68, P363
[7]
KUKARKIN BV, 1931, NISHNI NOVGOROD VERA, V3, P52
[8]
KUKARKIN BV, 1958, GENERAL CATALOGUE VA
[9]
MOORE JH, 1929, PASP, V41, P254