共 21 条
[1]
CAMPBELL A, 1986, MNRAS
[3]
DINERSTEIN HL, 1986, AP J
[4]
Dufour R. J., 1984, IAU S, V108, P353
[6]
Kjar K., 1983, PRIMORDIAL HELIUM
[10]
LEQUEUX J, 1979, ASTRON ASTROPHYS, V80, P155