共 25 条
[2]
BAAN WA, 1978, ASTROPHYS J, V222, pL7, DOI 10.1086/182680
[3]
BIERMANN P, 1978, ASTRON ASTROPHYS, V70, pL41
[4]
CASERTANO SPR, 1980, ASTRON ASTROPHYS, V81, P371
[6]
CONDON JJ, 1981, PREPRINT
[7]
CRANE PC, 1981, UNPUB IAU S, V97
[9]
DuPuy D. L., 1970, Astronomical Journal, V75, P1143, DOI 10.1086/111068