@inbook{NBERc5552,
 Crossref = "NBERkuzn41-3",
 title = "Basic Data, Sources and Methods: Mining",
 author = "Simon Kuznets and Lillian Epstein and Elizabeth Jenks",
 BookTitle = "National Income and Its Composition, 1919-1938, Volume II",
 Publisher = "NBER",
 pages = "549-574",
 year = "1946",
 URL = "http://www.nber.org/chapters/c5552",
}
@book{NBERkuzn41-3,
 title = "National Income and Its Composition, 1919-1938, Volume II",
 author = "Simon Kuznets and Lillian Epstein and Elizabeth Jenks",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1941",
 URL = "http://www.nber.org/books/kuzn41-3",
}