FRIGYES, A. ABOUT THE ACTIVITY OF THE DEPARTMENT OF PROCESS CONTROL OF THE TECHNICAL UNIVERSITY BUDAPEST Periodica Polytechnica Electrical Engineering, [S. l.], v. 20, n. 3, p. 1, 1976. Disponível em: https://pp.bme.hu/ee/article/view/4917. Acesso em: 17 may. 2024.