@inbook{NBERc2679,
 Crossref = "NBERnutt57-1",
 title = "Chapter 4",
 author = "G. Warren Nutter",
 BookTitle = "Some Observations on Soviet Industrial Growth",
 Publisher = "NBER",
 pages = "628-630",
 year = "1957",
 URL = "http://www.nber.org/chapters/c2679",
}
@book{NBERnutt57-1,
 title = "Some Observations on Soviet Industrial Growth",
 author = "G. Warren Nutter",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1957",
 URL = "http://www.nber.org/books/nutt57-1",
}