@inbook{NBERc3578,
 Crossref = "NBERkend73-1",
 title = "Part I The National Economy",
 author = "John W. Kendrick",
 BookTitle = "Postwar Productivity Trends in the United States, 1948-1969",
 Publisher = "NBER",
 pages = "147-175",
 year = "1973",
 URL = "http://www.nber.org/chapters/c3578",
}
@book{NBERkend73-1,
 title = "Postwar Productivity Trends in the United States, 1948-1969",
 author = "John W. Kendrick",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1973",
 URL = "http://www.nber.org/books/kend73-1",
}