BERGSTRÖM, Jan. Leddyrenes manglende led. Varv, [S. l.], v. 1980, n. 3, p. 89–93, 1980. DOI: 10.7146/varv.v1980i3.148062. Disponível em: https://tidsskrift.dk/varv/article/view/148062. Acesso em: 7 dec. 2025.