共 30 条
[1]
[Anonymous], 1963, OBSERVATORY, V83, P150
[2]
BEALS CS, 1938, IAU T, V6, P248
[3]
Becker W., 1964, ZA, V58, P202
[4]
Bok B. J., 1959, OBSERVATORY, V79, P58
[5]
BRUN A, 1957, ATLAS 139 SELECTED A
[6]
Campbell W. W., 1893, PASP, V5, P204, DOI 10.1086/120675
[8]
HENIZE KG, 1961, PUBLS ASTRON SOC PAC, V73, P247
[10]
HOAG AA, 1961, PUBLS US NAVAL O 2 7, V17