@inbook{NBERc5787,
 Crossref = "NBERgale08-1",
 title = "The Greatest Artistic Breakthroughs of the Twentieth Century",
 author = "David W. Galenson",
 BookTitle = "Conceptual Revolutions in Twentieth-Century Art",
 Publisher = "Cambridge University Press",
 pages = "79-92",
 year = "2009",
 month = "October",
 URL = "http://www.nber.org/chapters/c5787",
}
@book{NBERgale08-1,
 title = "Conceptual Revolutions in Twentieth-Century Art",
 author = "David W. Galenson",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "Cambridge University Press",
 year = "2009",
 URL = "http://www.nber.org/books/gale08-1",
}