共 13 条
[1]
ABT HA, 1960, ASTROPHYS J, V131, P155
[4]
GOLDBERG L, 1966, ANN REV ASTR AP ED, V4, P193
[5]
Herbig G. H., 1952, PUB ASP, V64, P302
[9]
PACZYNSKI B, 1965, ACTA ASTRON, V15, P103