TY - JOUR A1 - James, William T1 - The Feeling of Effort, What is an Emotion? T2 - James, W.: Collected Essays and Reviews, New York(Longmans, Green & Co.) 1920, pp. 187-194, 244-275. Y1 - 1920 UR - https://opus4.kobv.de/opus4-Fromm/frontdoor/index/index/docId/12763 N1 - Xeroxcopy ER -