@inbook{NBERc4127,
 Crossref = "NBERschu72-1",
 title = "Discussion and Index",
 author = "Alice M. Rivlin and Gerald C. Somers",
 BookTitle = "Economic Research: Retrospect and Prospect Vol 6: Human Resources",
 Publisher = "UMI",
 pages = "85-97",
 year = "1972",
 URL = "http://www.nber.org/chapters/c4127",
}
@book{NBERschu72-1,
 title = "Economic Research: Retrospect and Prospect Vol 6: Human Resources",
 author = "Theodore W. Schultz",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1972",
 URL = "http://www.nber.org/books/schu72-1",
}