共 11 条
[1]
Aller L.H., 1961, ABUNDANCE ELEMENTS
[3]
GOULD RJ, 1964, ANN ASTROPHYS, V27, P815
[7]
OORT JH, 1958, STELLAR POPULATIONS, P415
[9]
Schmidt M., 1957, B ASTRON I NETH, V13, P247
[10]
Westerhout G., 1957, B ASTRON I NETH, V13, P201