@inbook{NBERc1661,
 Crossref = "NBERkess65-1",
 title = "INTRODUCTION AND SUMMARY OF PRINCIPAL FINDINGS",
 author = "Reuben A. Kessel",
 BookTitle = "The Cyclical Behavior of the Term Structure of Interest Rates",
 Publisher = "UMI",
 pages = "1-4",
 year = "1965",
 URL = "http://www.nber.org/chapters/c1661",
}
@book{NBERkess65-1,
 title = "The Cyclical Behavior of the Term Structure of Interest Rates",
 author = "Reuben A. Kessel",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1965",
 URL = "http://www.nber.org/books/kess65-1",
}