@inbook{NBERc5246,
 Crossref = "NBERjero34-1",
 title = "Differences in Degree of Mechanization",
 author = "Harry Jerome",
 BookTitle = "Mechanization in Industry",
 Publisher = "NBER",
 pages = "255-287",
 year = "1934",
 URL = "http://www.nber.org/chapters/c5246",
}
@book{NBERjero34-1,
 title = "Mechanization in Industry",
 author = "Harry Jerome",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1934",
 URL = "http://www.nber.org/books/jero34-1",
}