@inbook{NBERc3706, Crossref = "NBERjust75-1", title = "Appendix B: Mental-Ability Tests and Factors ", author = "Paul Taubman and Terence Wales", BookTitle = "Education, Income, and Human Behavior", Publisher = "NBER", pages = "405-410", year = "1975", URL = "http://www.nber.org/chapters/c3706", } @book{NBERjust75-1, title = "Education, Income, and Human Behavior", author = "F. Thomas Juster", institution = "National Bureau of Economic Research", type = "Book", publisher = "NBER", year = "1975", URL = "http://www.nber.org/books/just75-1", }