@inbook{NBERc7593,
 Crossref = "NBERhabe42-1",
 title = "Appendix A - Further Observations on the Relations Between Consumer Saving and Instalment Credit",
 author = "Paul A. Samuelson",
 BookTitle = "Consumer Instalment Credit and Economic Fluctuations",
 Publisher = "NBER",
 pages = "177-194",
 year = "1942",
 URL = "http://www.nber.org/chapters/c7593",
}
@book{NBERhabe42-1,
 title = "Consumer Instalment Credit and Economic Fluctuations",
 author = "Gottfried Haberler",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1942",
 URL = "http://www.nber.org/books/habe42-1",
}