title: [Aggression and ego development in groups. A contribution to psychoanalytic aggression theory].
mesh_terms: D000374:Aggression; D002657:Child Development; D003405:Creativity; D004532:Ego; D005639:Frustration; D006126:Group Processes; D006801:Humans; D007060:Id; D007989:Libido; D010287:Parent-Child Relations; D011574:Psychoanalytic Theory; D011575:Psychoanalytic Therapy
vernacular_title: Aggression und Ich-Entwicklung in der Gruppe. Ein Beitrag zur psychoanalytischen Aggressionstheorie.