@inbook{NBERc2188,
 Crossref = "NBERzarn62-1",
 title = "APPENDIX",
 author = "Victor Zarnowitz",
 BookTitle = "Unfilled Orders, Price Changes, and Business Fluctuations",
 Publisher = "NBER",
 pages = "26-28",
 year = "1962",
 URL = "http://www.nber.org/chapters/c2188",
}
@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",
}