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(1961) The Psychoanalytic Study of the Child (An Annual), 14, 1959: Paula Elkisch, Ph.D. (New York), and Margaret S. Mahler, M.D. (New York). 'On Infantile Precursors of the "Influencing Machine" (Tausk).' Pp. 219–235.. International Journal of Psychoanalysis 42:472