KINGO JACOBSEN., N. Terence Armstrong: The Northern Sea Roule. Soviet Exploilation of the North East Passage. Scott Polar Research Institute, Special Publication no. 1. Cambridge University Press. 1952. 17 X 24 cm. 162 sider. 21 sh. R. Steen Sleensen: Den nordlige søvej. Erik Lundsgaards Forlag. København 1957. 14X2lV2cm. 503 sider. Kr. 32,50. Geografisk Tidsskrift, [S. l.], v. 57, 1958. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/46378. Acesso em: 26 apr. 2024.