title: The principle of multiple function: observations on over-determination. 1936.
authors.forename: Robert
authors.initials: R
authors.lastname: Waelder
mesh_terms: D001007:Anxiety / Q000523:psychology; D005619:Freudian Theory; D006801:Humans; D007266:Inhibition, Psychological; D019370:Observation; D011575:Psychoanalytic Therapy