Hopkins, PhilipHernquist, LarsCox, ThomasDi Matteo, TizianaRobertson, BrantSpringel, Volker2019-09-202005Hopkins, Philip F., Lars Hernquist, Thomas J. Cox, Tiziana Di Matteo, Brant Robertson, and Volker Springel. 2005. “Luminosity‐dependent Quasar Lifetimes: A New Interpretation of the Quasar Luminosity Function.” The Astrophysical Journal 630 (2): 716–20. https://doi.org/10.1086/432463.0004-637X1538-4357http://nrs.harvard.edu/urn-3:HUL.InstRepos:41381611en-USLuminosity-dependent quasar lifetimes : A new interpretation of the quasar luminosity functionJournal Article2019-09-2010.1086/432463