共 11 条
[1]
[Anonymous], GENERAL CATALOGUE ST
[2]
JENKINS LF, 1952, GENERAL CATALOGUE TR
[3]
KUIPER G, 1939, ASTROPHYS J, V88, P446
[5]
LIPPINCOTT SL, 1957, ASTRON J, V62, P61
[6]
ROMAN NG, 1955, AP J S, V2, P198
[9]
Wagman N. E., 1961, ASTRON J, V66, P433, DOI 10.1086/108450
[10]
WILDEY P, 1962, ASTROPHYS J, V135, P94