1. Developmental changes in 13- to 18-month-old infants' expressive behavior and their implications for socioemotional competence in early preschool years;Abe,1995
2. Ackerman, B. P., Abe, J. A., & Izard, C. E. (in press). Differential emotions theory: Mindful of modularity. In M. Mascolo & S. Griffin (Eds.), What develops in emotional development? New York: Plenum.
3. Grief: Its nature and significance;Averill;Psychological Bulletin,1968
4. Perspectives on emotional development II: A functionalist approach to emotions;Barrett,1987
5. Experimental investigation of the body-mind continuum in affective states;Bull;Journal of Nervous and Mental Disease,1951