@inbook{NBERc4232,
 Crossref = "NBERunkn70-2",
 title = "Supplement to NBER Report Six: National Bureau of Economic Research Fiftieth Anniversary Dinner: Transcript of Proceedings",
 author = "",
 BookTitle = "Supplement to NBER Report Six: National Bureau of Economic Research Fiftieth Anniversary Dinner: Transcript of Proceedings",
 Publisher = "NBER",
 pages = "1-32",
 year = "1970",
 URL = "http://www.nber.org/chapters/c4232",
}
@book{NBERunkn70-2,
 title = "Supplement to NBER Report Six: National Bureau of Economic Research Fiftieth Anniversary Dinner: Transcript of Proceedings",
 author = "NBER",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1970",
 URL = "http://www.nber.org/books/unkn70-2",
}