Kingo Jacobsen., N. “Terence Armstrong: The Russians in the Arctic. Aspects of Soviet Exploration and Exploilation of the Far North 1937—57. Methuen and Co. Ltd., London 1958. 14x20 Cm. 182 Sider. 20 pi., 7 Kort. Sh. 22 6”. Geografisk Tidsskrift 59 (januar 1, 1960). Set december 5, 2025. https://tidsskrift.dk/geografisktidsskrift/article/view/46484.