PRINTZLAU, I. Vulkaner i Skåne. Varv, [S. l.], v. 1973, n. 1, p. 19–27, 1973. DOI: 10.7146/varv.v1973i1.150802. Disponível em: https://tidsskrift.dk/varv/article/view/150802. Acesso em: 7 jan. 2025.