PROSS, Christian. Johan Lansen 1933-2019. Torture Journal, [S. l.], v. 30, n. 1, p. 81–83, 2020. DOI: 10.7146/torture.v30i1.119738. Disponível em: https://tidsskrift.dk/torture-journal/article/view/119738. Acesso em: 5 dec. 2025.