@inbook{NBERc1174,
 Crossref = "NBERburn69-1",
 title = "The Nature and Causes of Business Cycles",
 author = "Arthur F. Burns",
 BookTitle = "The Business Cycle in a Changing World",
 Publisher = "NBER",
 pages = "1-53",
 year = "1969",
 URL = "http://www.nber.org/chapters/c1174",
}
@book{NBERburn69-1,
 title = "The Business Cycle in a Changing World",
 author = "Arthur F. Burns",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1969",
 URL = "http://www.nber.org/books/burn69-1",
}