1. Perceptual and motor skills;ABERCROMBIE;Monog. Sup.,1964
2. Vocabulary and deterioration in senile dementia;ACKLESBERG;J. Soc. Abnorm. Psychol.,1944
3. Chapter 30;AINSWORTH,1959
4. Psychological Testing;ANASTASI,1954
5. Differential Psychology;ANASTASI,1949