@inbook{NBERc7231,
 Crossref = "NBERgril92-1",
 title = "Recent and Planned Improvements in the Measurement and Deflation of Services Outputs and Inputs in BEA's Gross Product Originating Estimates",
 author = "Michael F. Mohr",
 BookTitle = "Output Measurement in the Service Sectors",
 Publisher = "University of Chicago Press",
 pages = "25-71",
 year = "1992",
 month = "January",
 URL = "http://www.nber.org/chapters/c7231",
}
@book{NBERgril92-1,
 title = "Output Measurement in the Service Sectors",
 author = "Zvi Griliches",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1992",
 URL = "http://www.nber.org/books/gril92-1",
}