共 74 条
[1]
Ahnert P., 1943, Z F R ASTROPHYSIK, V22, P286
[4]
[Anonymous], 1963, ASTROPHYS J SUPPL S, DOI DOI 10.1086/190087
[5]
[Anonymous], 1964, NASA SPECIAL PUBLICA
[6]
[Anonymous], 1958, NUOVO CIMENTO
[7]
Barnard E. E., 1908, MNRAS, V69, P52