Holm Jakobsen, B., Siegert, C. og Ostroumov, V. (1996) “Effect of Permafrost and Palaeo-Environmental History on Soil Formation in the lower Kolyma Lowland, Siberia”, Geografisk Tidsskrift, 96. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/42035 (Set: 20 december 2024).