Skjerbæk G. Emil Lederer: TECHNICAL PROGRESS AND UNEMPLOYMENT. International Labour Studies and Reports, Series C, Nr. 22. Geneva 1938. 267 Sider. nt [Internet]. 1939 Jan. 1 [cited 2024 Jul. 14];3. Available from: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/60048