Lauer, T. R. (2007). "The Masses of Nuclear Black Holes in Luminous Elliptical Galaxies and Implications for the Space Density of the Most Massive Black Holes". Astrophysical Journal662: 808–834. doi:10.1086/518223. Bibcode: 2007ApJ...662..808L.
Benford, D. J.; Lauer, T. R. (2006). Mather, John C; MacEwen, Howard A; De Graauw, Mattheus W. M. eds. "Destiny: a candidate architecture for the Joint Dark Energy Mission". Proceedings of the SPIE. Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter 6265: 626528. doi:10.1117/12.672135. Bibcode: 2006SPIE.6265E..28B.
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Lauer, T. R. (2007). "The Masses of Nuclear Black Holes in Luminous Elliptical Galaxies and Implications for the Space Density of the Most Massive Black Holes". Astrophysical Journal662: 808–834. doi:10.1086/518223. Bibcode: 2007ApJ...662..808L.
Benford, D. J.; Lauer, T. R. (2006). Mather, John C; MacEwen, Howard A; De Graauw, Mattheus W. M. eds. "Destiny: a candidate architecture for the Joint Dark Energy Mission". Proceedings of the SPIE. Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter 6265: 626528. doi:10.1117/12.672135. Bibcode: 2006SPIE.6265E..28B.