共 15 条
[3]
BROSCHE P, 1973, ASTRON ASTROPHYS, V23, P259
[4]
BROSCHE P, 1977, ASTRON ASTROPHYS, V54, P531
[6]
DEVAUCOULEURS G, 1976, 2ND REFERENCE CATALO
[7]
NILSON P, 1973, UPPSALA GENERAL CATA
[8]
NOONAN TW, 1977, ASTRON ASTROPHYS, V55, P285