@inbook{NBERc4142,
 Crossref = "NBERfabr58-1",
 title = "Investing in Economic Knowledge",
 author = "Solomon Fabricant",
 BookTitle = "Investing in Economic Knowledge",
 Publisher = "NBER",
 pages = "1-18",
 year = "1958",
 URL = "http://www.nber.org/chapters/c4142",
}
@book{NBERfabr58-1,
 title = "Investing in Economic Knowledge",
 author = "Solomon Fabricant",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1958",
 URL = "http://www.nber.org/books/fabr58-1",
}