@inbook{NBERc1450,
 Crossref = "NBERkuzn61-1",
 title = "Long Swings in Population Growth, Capital Formation, and National Product",
 author = "Simon Kuznets and Elizabeth Jenks",
 BookTitle = "Capital in the American Economy: Its Formation and Financing",
 Publisher = "Princeton University Press",
 pages = "316-360",
 year = "1961",
 URL = "http://www.nber.org/chapters/c1450",
}
@book{NBERkuzn61-1,
 title = "Capital in the American Economy: Its Formation and Financing",
 author = "Simon Kuznets",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "Princeton University Press",
 year = "1961",
 URL = "http://www.nber.org/books/kuzn61-1",
}