SUNDBOM, Lennart. Exit Dose Measurements in Cobalt 60 Teletherapy. Acta Oncologica, [S. l.], v. 3, n. 3, p. 193–209, 1965. DOI: 10.3109/02841866509133094. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/34656. Acesso em: 17 feb. 2025.