WIIK, B. H. Rolf Wideröe and the Development of Particle Accelerators. Acta Oncologica, [S. l.], v. 37, n. 6, p. 615–625, 1998. DOI: 10.1080/028418698430322. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/27621. Acesso em: 20 feb. 2025.