FUNDER, Svend. Sibiriens permafrost - og Danmarks. Varv, [S. l.], v. 1983, n. 2, p. 50–63, 1983. DOI: 10.7146/varv.v1983i2.145421. Disponível em: https://tidsskrift.dk/varv/article/view/145421. Acesso em: 6 dec. 2025.