共 12 条
[1]
BERGH SVD, 1960, ASTROPHYS J, V131, P215
[3]
BOK BJ, 1960, MON NOT R ASTRON SOC, V121, P531
[4]
FREEMAN KC, 1974, FORMATION DYNAMICS G, P129
[10]
VAUCOULEURS GD, 1964, REFERENCE CATALOGUE