TY - JOUR A1 - Blos, Peter T1 - Berta Bornstein 1899–1971 T2 - The Psychoanalytic Study of the Child, Yale University Press, Vol. 29 (1974), pp. 035-037. Y1 - 1974 UR - https://opus4.kobv.de/opus4-Fromm/frontdoor/index/index/docId/31099 ER -