@inbook{NBERc9436,
 Crossref = "NBERaesm72-3",
 title = "Research Methodology Notes: The Inadequacy Of Cross-Section Age-Earnings Profiles When Ability Is Not Held Constant",
 author = "Paul Taubman and Terence Wales",
 BookTitle = "Annals of Economic and Social Measurement, Volume 1, number 3",
 Publisher = "NBER",
 pages = "362-367",
 year = "1972",
 month = "July",
 URL = "http://www.nber.org/chapters/c9436",
}
@book{NBERaesm72-3,
 title = "Annals of Economic and Social Measurement, Volume 1, number 3",
 author = "Sanford V. Berg, editor",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1972",
 URL = "http://www.nber.org/books/aesm72-3",
}