共 50 条
- [42] MULTICOLOR CCD PHOTOMETRY OF A HOMOGENEOUS SAMPLE OF SEYFERT-1 GALAXIES IAU SYMPOSIA, 1989, (134): : 49 - 50
- [43] X-RAY SPECTRAL VARIABILITY IN SEYFERT-1 GALAXIES PROCEEDINGS OF THE 23RD ESLAB SYMPOSIUM ON TWO TOPICS IN X-RAY ASTRONOMY, VOLS 1 AND 2: X-RAY BINARIES; AGN AND THE X-RAY BACKGROUND, 1989, 296 : 985 - 989
- [44] CALAN-TOLOLO SURVEY .1. SEYFERT-1 GALAXIES ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1989, 69 (03): : 349 - 352
- [46] ASYMMETRIC, BROAD HYDROGEN EMISSION-LINES OF SEYFERT-1 GALAXIES ASTROPHYSICAL JOURNAL, 1979, 230 (03): : 681 - 686
- [47] A comparison between the narrow-line regions of Seyfert 1 and Seyfert 2 galaxies ASTROPHYSICAL JOURNAL, 1996, 463 (02): : 498 - &
- [48] ON THE PHYSICAL CONDITIONS AND THE VELOCITY-FIELDS IN SEYFERT-1 GALAXIES AND QSOS ASTROPHYSICAL JOURNAL, 1982, 259 (01): : 48 - 54