BÓDIZS, D. TESTING OF RADIATION SHIELDING CONCRETE WALLS WITH PORTABLE BETATRONS Periodica Polytechnica Electrical Engineering, [S. l.], v. 26, n. 1-2, p. 105–112, 1982. Disponível em: https://pp.bme.hu/ee/article/view/4748. Acesso em: 18 may. 2024.