References
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- Catell, Stice G. The Sixteen Personality Factor Questionnaire. Institute for Personality and Ability Testing, Champaign, Ill. 1949
- Catell. J. Clinical Psychol. 1956; 12: 205–14
- Catell. Personality and Motivation Structure and Measurement. Harcourt, Brace and World, New York, Harrap, London 1957
- Catell. A Handbook of Neuroticism Scale Questionnaire. The Institute of Personality and Ability Testing, Champaign, Ill. 1961
- Catell. Selfanalysis Form Handbook. The Institute of Personality and Ability Testing, Champaign, Ill. 1963
- Rees L. J. Psychosom. Res. 1956; 1: 98, Williams & Williams. B. M. J. II, 897, 1947.