Jong-Hak Woo et Urry, « ACTIVE GALACTIC NUCLEUS BLACK HOLE MASSES AND BOLOMETRIC LUMINOSITIES », The Astrophysical Journal, vol. 579, , p. 46 pages (lire en ligne [PDF])
Andrea Marinucci, Stefano Bianchi, Fabrizio Nicastro, Giorgio Matt et Andy D. Goulding, « The Link between the Hidden Broad Line Region and the Accretion Rate in Seyfert 2 Galaxies », The Astrophysical Journal, vol. 748, no 2, , p. 10 pages (DOI10.1088/0004-637X/748/2/130, Bibcode2012ApJ...748..130M, lire en ligne [PDF])
Andrea Marinucci, Stefano Bianchi, Fabrizio Nicastro, Giorgio Matt et Andy D. Goulding, « The Link between the Hidden Broad Line Region and the Accretion Rate in Seyfert 2 Galaxies », The Astrophysical Journal, vol. 748, no 2, , p. 10 pages (DOI10.1088/0004-637X/748/2/130, Bibcode2012ApJ...748..130M, lire en ligne [PDF])
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Andrea Marinucci, Stefano Bianchi, Fabrizio Nicastro, Giorgio Matt et Andy D. Goulding, « The Link between the Hidden Broad Line Region and the Accretion Rate in Seyfert 2 Galaxies », The Astrophysical Journal, vol. 748, no 2, , p. 10 pages (DOI10.1088/0004-637X/748/2/130, Bibcode2012ApJ...748..130M, lire en ligne [PDF])