@inbook{NBERc3221,
 Crossref = "NBERkuzn50-1",
 title = "AVERAGE INCOME SHARES OF UPPER INCOME GROUPS",
 author = "Simon Kuznets",
 BookTitle = "Shares of Upper Income Groups in Income and Savings",
 Publisher = "UMI",
 pages = "5-32",
 year = "1950",
 URL = "http://www.nber.org/chapters/c3221",
}
@book{NBERkuzn50-1,
 title = "Shares of Upper Income Groups in Income and Savings",
 author = "Simon Kuznets",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1950",
 URL = "http://www.nber.org/books/kuzn50-1",
}