1. Newborn and preschooler: Organization of behavior and relations between periods;Bell;Monographs of the Society for Research in Child Development,1971
2. Individual differences in temperamental characteristics of infants;Birns;Transactions of the New York Academy of Sciences,1969
3. Early individuality: Dimensions in infant behavior;Bohlin;Uppsala Psychological Reports, No. 248,1979
4. Temperament theory of personality development;Buss,1975
5. A simplified method for measuring infant temperament;Carey;The Journal of Pediatrics,1970