1. Attitudes, personality, and behavior;Ajzen,1988
2. Disgust and related aversions;Angyal;Journal of Abnormal and Social Psychology,1941
3. The denial of death;Becker,1973
4. The construction and partial validation of a scale for the measurement of the fear of death;Boyar,1964
5. The expression of emotions in man and animals;Darwin,1872