共 31 条
[1]
ALEXANDER JB, 1960, OBSERVATORY, V80, P110
[2]
[Anonymous], 1946, PASP, DOI DOI 10.1086/125835
[4]
Baade W, 1951, PUBL U MICHIGAN OBS, V10, P7
[5]
BAADE W, 1963, EVOLUTION STARS GALA, pCH21