BONDE, Niels. Cementeret fugl. Varv, [S. l.], v. 1986, n. 4, p. 136–142, 1986. DOI: 10.7146/varv.v1986i4.144958. Disponível em: https://tidsskrift.dk/varv/article/view/144958. Acesso em: 6 dec. 2025.