PAUL, K. C.; HARTMANN, G. H.; ZAKARIA, G. A. Study on the Displacement Effect at Cylindrical Ionization Chambers in High Energy Photon of Flat and True Beams. Journal of Bangladesh Academy of Sciences, [S. l.], v. 41, n. 2, p. 227–235, 2018. DOI: 10.3329/jbas.v41i2.35500. Disponível em: https://banglajol.info/index.php/JBAS/article/view/35500. Acesso em: 30 jun. 2024.