@inbook{NBERc0928,
 Crossref = "NBERture67-1",
 title = "Summary and Conclusions",
 author = "Norman B. Ture",
 BookTitle = "Accelerated Depreciation in the United States, 1954-60",
 Publisher = "UMI",
 pages = "97-101",
 year = "1967",
 URL = "http://www.nber.org/chapters/c0928",
}
@book{NBERture67-1,
 title = "Accelerated Depreciation in the United States, 1954-60",
 author = "Norman B. Ture",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1967",
 URL = "http://www.nber.org/books/ture67-1",
}