ELEK, T. EINIGE WELTANSCHAULICHE PROBLEME DES HOCHSCHULUNTERRICHTS lN PHYSIK Periodica Polytechnica Electrical Engineering, [S. l.], v. 6, n. 4, p. 271–310, 1962. Disponível em: https://pp.bme.hu/ee/article/view/5330. Acesso em: 18 may. 2024.