1. Der zusammenhang zwischen intelligenz und der geschwindigkeit von informationsverarbeitung;Amelang,1985
2. Intelligenz-Struktur-Test (IST);Amthauer,1955
3. Speed of information processing and psychometric abilities in later adulthood;Ananda,1985
4. The location of superfactors P, E, and N within an unexplored personality factor space;Barrett;Personality and Individual Differences,1980
5. Factor extraction: An examination of three methods;Barrett;Personality Study and Group Behaviour,1982