共 18 条
[1]
Ananthakrishnan R., 1954, P INDIAN ACAD SCI, V40, P72
[5]
Bell B., 1960, SMITHSONIAN CONTR, V5, P17, DOI [10.5479/si.00810231.5-3.17, DOI 10.5479/SI.00810231.5-3.17]
[6]
Brunner W., 1930, ASTR MITT ZURICH, P67
[7]
Bumba V., 1962, B ASTRON I CZECH, V13, P48
[8]
BUMBA V, 1962, B ASTRON I CZECH, V13, P42
[10]
LEIGHTON RB, 1960, NUOVO CIMENTO SUPPL, V22, P321