1. Still stable after all these years: Personality as a key to some issues in adulthood and old age;Costa,1980
2. The latency of the skin resistance response and reaction time;Cowles;Psychophysiology,1973
3. The Psychology of Vigilance;Davies,1982
4. The Scientific Study of Personality;Eysenck,1952
5. The Biological Basis of Personality;Eysenck,1967