共 12 条
[4]
DEVAUCOULEURS G, 1952, REVISION HARVARD SUR
[7]
HOLMBERG E, 1957, MEDD LUND OBS 2, V136
[8]
HIGH-RESOLUTION SURVEY OF THE ANDROMEDA NEBULA AT 408-MC-S
[J].
NATURE,
1959, 183 (4670)
:1250-1251
[9]
LESLIE PRR, 1960, OBSERVATORY, V80, P216
[10]
Mills B.Y., 1955, AUST J PHYS, V8, P368