@inbook{NBERc5262, Crossref = "NBERtaub72-1", title = "Appendix C: Adjustment Procedures for Average-Ability and Loss-of-Talent Calculations", author = "Paul Taubman and Terence Wales", BookTitle = "Mental Ability and Higher Educational Attainment in the 20th Century", Publisher = "NBER", pages = "43-44", year = "1972", URL = "http://www.nber.org/chapters/c5262", } @book{NBERtaub72-1, title = "Mental Ability and Higher Educational Attainment in the 20th Century", author = "Paul Taubman and Terence Wales", institution = "National Bureau of Economic Research", type = "Book", publisher = "NBER", year = "1972", URL = "http://www.nber.org/books/taub72-1", }