@inbook{NBERc2447,
 Crossref = "NBERbort60-1",
 title = "Front matter, Regional Cycles of Manufacturing Employment in the United States, 1914-1953",
 author = "George H. Borts",
 BookTitle = "Regional Cycles of Manufacturing Employment in the United States, 1914-1953",
 Publisher = "NBER",
 year = "1960",
 URL = "http://www.nber.org/chapters/c2447",
}
@book{NBERbort60-1,
 title = "Regional Cycles of Manufacturing Employment in the United States, 1914-1953",
 author = "George H. Borts",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1960",
 URL = "http://www.nber.org/books/bort60-1",
}