@inbook{NBERc3914,
 Crossref = "NBERkend80-1",
 title = "A Study of High and Low "Labor Productivity" Establishments in U.S.Manufacturing ",
 author = "Benjamin Klotz and Rey Madoo and Reed Hansen",
 BookTitle = "New Developments in Productivity Measurement",
 Publisher = "University of Chicago Press",
 pages = "239-292",
 year = "1980",
 URL = "http://www.nber.org/chapters/c3914",
}
@book{NBERkend80-1,
 title = "New Developments in Productivity Measurement",
 author = "John W. Kendrick and Beatrice N. Vaccara",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1980",
 URL = "http://www.nber.org/books/kend80-1",
}