1. Evolución y relación de la temperatura corporal y rendimiento durante la vigilia: Diferencias individuales. III;Almirall,1989
2. Temperament and time of day;Blake,1971
3. Tolerance to shift of sleep, as related to the individual's circadian phase position;Breithaupt;Ergonomics,1978
4. Eysenck Personality Questionnaire for juniors and adults;Eysenck,1975
5. Towards a predictive test of adjustment to shift work;Folkard;Ergonomics,1979