共 41 条
[31]
Sandage A., 1958, ASTROPHYS J, V127, P513, DOI [10.1086/146483, DOI 10.1086/146483]
[32]
SANDAGE AR, 1983, AP J, V267, P25
[33]
TODY D, 1981, KPNO RICHFLD PHOTOME
[34]
VANGENDE.AM, 1969, B ASTRON I NETH, V3, P221
[35]
VANGENDEREN AM, 1969, B ASTRON I NETH, V20, P317
[36]
VANGENDEREN AM, 1977, ASTRON ASTROPHYS, V54, P737
[39]
WELCH DL, 1986, UNPUB
[40]
WELCH DL, 1985, B AAS, V16, P951