HURWITZ, Stephan; JOHNSEN, Jon; CHRISTIE, Nils; HASLUND, A.; CHRISTIANSEN, Karl O.; WAABEN, Knud. Litteratur. Nordisk Tidsskrift for Kriminalvidenskab, [S. l.], v. 44, n. 1, p. 79–92, 1956. DOI: 10.7146/ntfk.v44i1.137805. Disponível em: https://tidsskrift.dk/NTfK/article/view/137805. Acesso em: 7 dec. 2025.