@article{Yu_2005,<br/><span class="tab"></span> title={Evolution of Accretion Disks around Massive Black Holes: Constraints from the Demography of Active Galactic Nuclei},<br/><span class="tab"></span> volume={634},<br/><span class="tab"></span> ISSN={1538-4357},<br/><span class="tab"></span> url={http://dx.doi.org/10.1086/433166},<br/><span class="tab"></span> DOI={10.1086/433166},<br/><span class="tab"></span> number={2},<br/><span class="tab"></span> journal={The Astrophysical Journal},<br/><span class="tab"></span> publisher={American Astronomical Society},<br/><span class="tab"></span> author={Yu,<br/><span class="tab"></span> Qingjuan and Lu,<br/><span class="tab"></span> Youjun and Kauffmann,<br/><span class="tab"></span> Guinevere},<br/><span class="tab"></span> year={2005},<br/><span class="tab"></span> month=dec,<br/><span class="tab"></span> pages={901–909} }