Article Title: Intelligence: Knowns and unknowns.

Author(s): Neisser, Ulric, Boodoo, Gwyneth, Bouchard, Thomas J. Jr., Boykin, A. Wade, Brody, Nathan, Ceci, Stephen J., Halpern, Diane F., Loehlin, John C., Perloff, Robert Sternberg, Robert J., Urbina, Susana Source: American Psychologist, Vol 51(2), Feb 1996. pp. 77-101.

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