@inbook{NBERc4217,
 Crossref = "NBERfabr71-1",
 title = "Supplement to NBER Report Eight: Recent Economic Changes and the Agenda of Business Cycle Research",
 author = "Solomon Fabricant",
 BookTitle = "Supplement to NBER Report Eight: Recent Economic Changes and the Agenda of Business Cycle Research",
 Publisher = "NBER",
 year = "1972",
 URL = "http://www.nber.org/chapters/c4217",
}
@book{NBERfabr71-1,
 title = "Supplement to NBER Report Eight: Recent Economic Changes and the Agenda of Business Cycle Research",
 author = "Solomon Fabricant",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1971",
 URL = "http://www.nber.org/books/fabr71-1",
}