1. An exploratory study of adults engaging in the high-risk sport of skiing;Connolly,1981
2. The biological basis of personality;Eysenck,1967
3. Personality and individual differences: a natural science approach;Eysenck,1985
4. Manual of the Eysenck Personality Questionnaire;Eysenck,1975
5. Sport and personality;Eysenck;Advances in Behaviour Research and Therapy,1982