@article{5d1e73157bb64244a8a709d5bd2bd9ee,
title = "Mass Functions of the Active Black Holes in Distant Quasars from the Sloan Digital Sky Survey Data Release 3",
abstract = "We present the mass functions of actively accreting supermassive black holes over the redshift range 0.3",
keywords = "astro-ph",
author = "Marianne Vestergaard and X. Fan and Tremonti, {C. A.} and Osmer, {Patrick S.} and Richards, {Gordon T.}",
year = "2007",
month = dec,
day = "31",
doi = "10.1086/528981",
language = "English",
volume = "674",
journal = "Astrophysical Journal Letters",
issn = "0004-637X",
publisher = "Institute of Physics Publishing, Inc",
number = "1",
}