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D. B. Sanders, J. M. Mazzarella, D. -C. Kim, J. A. Surace et B. T. Soifer, «The IRAS Revised Bright Galaxy Sample», The Astronomical Journal, vol.126, no4, , p.1607-1664 (DOI10.1086/376841, Bibcode2003AJ....126.1607S, lire en ligne[PDF])
S. Comerón, J. H. Knapen, J. E. Beckman, E. Laurikainen, H. Salo, I. Martínez-Valpuesta et R. J. Buta, «AINUR: Atlas of Images of NUclear Rings», Monthly Notices of the Royal Astronomical Society, vol.402#4, , p.2462-2490 (DOI10.1111/j.1365-2966.2009.16057.x, Bibcode2010MNRAS.402.2462C, lire en ligne[PDF])
D. B. Sanders, J. M. Mazzarella, D. -C. Kim, J. A. Surace et B. T. Soifer, «The IRAS Revised Bright Galaxy Sample», The Astronomical Journal, vol.126, no4, , p.1607-1664 (DOI10.1086/376841, Bibcode2003AJ....126.1607S, lire en ligne[PDF])
S. Comerón, J. H. Knapen, J. E. Beckman, E. Laurikainen, H. Salo, I. Martínez-Valpuesta et R. J. Buta, «AINUR: Atlas of Images of NUclear Rings», Monthly Notices of the Royal Astronomical Society, vol.402#4, , p.2462-2490 (DOI10.1111/j.1365-2966.2009.16057.x, Bibcode2010MNRAS.402.2462C, lire en ligne[PDF])
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A. Beifiori, M. Sarzi, E.M. Corsini, E. Dalla Bontà, A. Pizzella, L. Coccato et F. Bertola, «UPPER LIMITS ON THE MASSES OF 105 SUPERMASSIVE BLACK HOLES FROM HUBBLE SPACE TELESCOPE/SPACE TELESCOPE IMAGING SPECTROGRAPH ARCHIVAL DATA», The Astrophysical Journal, vol.692#1, , p.856-868 (DOI10.1088/0004-637X/692/1/856, lire en ligne)