Mary Main. Erik Hesse, and Nancy Kaplan, «Predictability of Attachment Behavior and Representational Processes at 1, 6, and 19 Years of Age: The Berkeley Longitudinal Study,» in Attachment from Infancy to Adulthood: The Major Longitudinal Studies, eds. Klaus E. Grossmann, Karin Grossmann, and Everett Waters (New York: Guilford Press, 2005), 280.
