@inbook{NBERc5231,
 Crossref = "NBERunkn65-1",
 title = "The Task Of Economics",
 author = "Solomon Fabricant",
 BookTitle = "The Task of Economics",
 Publisher = "NBER",
 pages = "1-4",
 year = "1965",
 URL = "http://www.nber.org/chapters/c5231",
}
@book{NBERunkn65-1,
 title = "The Task of Economics",
 author = "Solomon Fabricant",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1965",
 URL = "http://www.nber.org/books/unkn65-1",
}