共 50 条
- [1] SPECTRAL VARIABILITY OF THE NGC-4151 NUCLEUS IN 1972-1984 ASTRONOMICHESKII ZHURNAL, 1989, 66 (01): : 1 - 11
- [2] OPTICAL VARIABILITY OF NUCLEUS OF SEYFERT GALAXY NGC-4151 SOVIET ASTRONOMY AJ USSR, 1969, 13 (02): : 184 - &
- [8] RAPID OPTICAL VARIATIONS IN THE NGC-4151 NUCLEUS SOVIET ASTRONOMY LETTERS, 1989, 15 (04): : 247 - 251