共 50 条
- [1] ON THE DIFFERENCE BETWEEN SEYFERT-1 AND SEYFERT-2 TYPES OF GALAXIES ASTRONOMICHESKII ZHURNAL, 1982, 59 (06): : 1089 - 1092
- [2] THE SPLIT BETWEEN SEYFERT-1 AND SEYFERT-2 GALAXIES AS AN EDDINGTON-LUMINOSITY THRESHOLD SOVIET ASTRONOMY LETTERS, 1983, 9 (06): : 366 - 368
- [9] THE IONIZING-RADIATION OF SEYFERT-2 GALACTIC NUCLEI ASTROPHYSICAL JOURNAL, 1993, 410 (02): : 567 - 573