TY - JOUR A1 - Roazen, Paul T1 - Introduction T2 - P. Roazen, Sigmund Freud, Englewood Cliffs (Prentice-Hall, Inc) 1973, pp. 1-21, esp. 15f. Y1 - 1973 UR - https://opus4.kobv.de/opus4-Fromm/frontdoor/index/index/docId/18939 ER -