Devics J. INDUSTRIAL ORGANISATION - INDUSTRIE UND WIRTSCHAFT - ЭКОНОМИКА И ПРОМЫШЛЕННОСТЬ. Ekonomika i promyšlennost’. Period. Polytech. Elec. Eng. [Internet]. 1959 Jan. 1 [cited 2024 May 21];3(2):153-7. Available from: https://pp.bme.hu/ee/article/view/5390