@inbook{NBERc1974,
 Crossref = "NBERnutt62-1",
 title = "The Product Mix: Composition, Quality, and Variety",
 author = "G. Warren Nutter",
 BookTitle = "Growth of Industrial Production in the Soviet Union",
 Publisher = "UMI",
 pages = "52-83",
 year = "1962",
 URL = "http://www.nber.org/chapters/c1974",
}
@book{NBERnutt62-1,
 title = "Growth of Industrial Production in the Soviet Union",
 author = "G. Warren Nutter",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1962",
 URL = "http://www.nber.org/books/nutt62-1",
}