@inbook{NBERc2186,
 Crossref = "NBERzarn62-1",
 title = "Fluctuations of Demand, Delivery Periods, and Prices ",
 author = "Victor Zarnowitz",
 BookTitle = "Unfilled Orders, Price Changes, and Business Fluctuations",
 Publisher = "NBER",
 pages = "11-25",
 year = "1962",
 URL = "http://www.nber.org/chapters/c2186",
}
@book{NBERzarn62-1,
 title = "Unfilled Orders, Price Changes, and Business Fluctuations",
 author = "Victor Zarnowitz",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1962",
 URL = "http://www.nber.org/books/zarn62-1",
}