@techreport{NBERw14066,
 title = "The Back Story of Twentieth-Century Art",
 author = "David Galenson",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "14066",
 year = "2008",
 month = "June",
 URL = "http://www.nber.org/papers/w14066",
}