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- [3] THE ULTRAVIOLET VARIABILITY OF SEYFERT-1 GALAXIES ASTROPHYSICAL JOURNAL, 1985, 297 (01): : 151 - 165
- [4] REDDENING INDICATORS FOR QUASARS AND SEYFERT-1 GALAXIES ASTROPHYSICAL JOURNAL, 1983, 268 (02): : 591 - 601
- [5] THE ORIGIN OF THE OPTICAL POLARIZATIONS OF SEYFERT-1 GALAXIES ASTROPHYSICAL JOURNAL, 1989, 345 (02): : 713 - 729
- [7] THE ULTRAVIOLET EXCESS OF SEYFERT-1 GALAXIES AND QUASARS ASTROPHYSICAL JOURNAL, 1982, 254 (01): : 22 - 37
- [8] PROFILES AND PROFILE RATIOS IN SEYFERT-1 GALAXIES ASTROPHYSICAL JOURNAL, 1986, 310 (02): : 973 - 973
- [10] ON THE DIFFERENCE BETWEEN SEYFERT-1 AND SEYFERT-2 TYPES OF GALAXIES ASTRONOMICHESKII ZHURNAL, 1982, 59 (06): : 1089 - 1092