@inbook{NBERc0853,
 Crossref = "NBERmill35-1",
 title = "Economic Changes in Manufacturing Industries During Five Periods of Business Expansion, Approximately",
 author = "Frederick C. Mills",
 BookTitle = "Aspects of Manufacturing Operations During Recovery",
 Publisher = "NBER",
 pages = "10-14",
 year = "1935",
 URL = "http://www.nber.org/chapters/c0853",
}
@book{NBERmill35-1,
 title = "Aspects of Manufacturing Operations During Recovery",
 author = "Frederick C. Mills",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1935",
 URL = "http://www.nber.org/books/mill35-1",
}