@inbook{NBERc9764,
 Crossref = "NBERunkn52-1",
 title = "Part II, Inequality of Income: Causes and Measurement",
 author = "George Garvy",
 BookTitle = "Studies in Income and Wealth, Volume 15",
 Publisher = "NBER",
 pages = "25-48",
 year = "1952",
 URL = "http://www.nber.org/chapters/c9764",
}
@book{NBERunkn52-1,
 title = "Studies in Income and Wealth, Volume 15",
 author = "Conference on Research in Income and Wealth",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1952",
 URL = "http://www.nber.org/books/unkn52-1",
}