TY - JOUR A1 - Bergman, P. A1 - Escalona, S. K. T1 - Unusual Sensitivities in Very Young Children JF - A. Freud et al. (Eds.), The Psychoanalytic Study of the Child, Vol. III/IV, New York (International Universities Press) 1949, pp. 333-352. Y1 - 1949 ER -