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2. , , and . Patterns of Attachment: A Psychological Study of the Strange Situation. Hillsdale, N. J.: Erlbaum, 1978.
3. Avoidance of the attachment figure and social-emotional adjustment in day-care infants.
4. Attachment and Loss. Vol. 1: Attachment. (Rev. ed.) New York: Basic Books, 1982.
5. “New Perspectives on Attachment Relations: Security, Communication, and Internal Working Models.” In (ed.), Handbook of Infant Development. New York: Wiley, 1987.