共 50 条
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- [35] X-RAY SPECTRAL CONSTRAINTS ON THE BROAD-LINE CLOUD GEOMETRY OF NGC-4151 ASTROPHYSICAL JOURNAL, 1980, 241 (01): : L13 - L17
- [36] THE TIME AMPLITUDE CHARACTERISTICS OF THE OPTICAL VARIABILITY OF NGC-4151 IN 1906-1984 ASTRONOMICHESKII ZHURNAL, 1987, 64 (03): : 465 - 475
- [37] NONTHERMAL ELECTRON-POSITRON PAIRS AND THE BREAK IN THE HARD X-RAY-SPECTRUM OF NGC-4151 ASTROPHYSICAL JOURNAL, 1992, 398 (01): : L37 - L40
- [38] BROAD-BAND X-RAY TELESCOPE OBSERVATIONS OF NGC-4151 - IRON LINE DIAGNOSTICS ASTROPHYSICAL JOURNAL, 1992, 401 (01): : L11 - L14
- [39] HARD X-RAYS FROM NGC-4151 - A THERMAL ORIGIN ASTROPHYSICAL JOURNAL, 1994, 433 (01): : L33 - L36
- [40] EVIDENCE FOR VARIABILITY OF HARD X-RAYS FROM NGC-4151 ASTROPHYSICAL JOURNAL, 1979, 233 (02): : 510 - 513