@inbook{NBERc4293,
 Crossref = "NBERkuzn72-1",
 title = "Identifying Major Research Problems",
 author = "Simon Kuznets",
 BookTitle = "Economic Research: Retrospect and Prospect Vol 7: Quantitative Economic Research: Trends and Problems",
 Publisher = "UMI",
 pages = "59-86",
 year = "1972",
 URL = "http://www.nber.org/chapters/c4293",
}
@book{NBERkuzn72-1,
 title = "Economic Research: Retrospect and Prospect Vol 7: Quantitative Economic Research: Trends and Problems",
 author = "Simon Kuznets",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1972",
 URL = "http://www.nber.org/books/kuzn72-1",
}