@inbook{NBERc4343,
 Crossref = "NBERsolt69-1",
 title = "Measuring the Size of the Low-Income Population",
 author = "Lenore A. Epstein",
 BookTitle = "Six Papers on the Size Distribution of Wealth and Income",
 Publisher = "NBER",
 pages = "157-204",
 year = "1969",
 URL = "http://www.nber.org/chapters/c4343",
}
@book{NBERsolt69-1,
 title = "Six Papers on the Size Distribution of Wealth and Income",
 author = "Lee Soltow",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1969",
 URL = "http://www.nber.org/books/solt69-1",
}