1. Personality factors in the Eysenck Personality Questionnaire;Barrett;Person. individ. Diff.,1980
2. The location of superfactors P, E and N within an unexplored personality factor space;Barrett;Person. individ. Diff.,1980
3. Evidence for the 16PF primary and secondary factors;Bolton;Mulrivar. exp. clin. Res.,1977
4. Longitudinal stability of the primary and secondary dimensions of the 16PF-E;Bolton;Multivar. exp. clin. Res.,1979
5. Higher-order factor structure of Cattell's MAT and 8SQ;Boyle;Multivar. exp. clin. Res.,1983