Fristrup., B. (1962) “Geology of the Arctic. Vol. I-11. Proceedings of the First International Symposium on Arctic Geology. Editor: Gilbert O. Raasch. University of Toronto Press 1961. 1196 s. + 34 bilag i mappe. 18x25 cm. $ 25,50.”, Geografisk Tidsskrift, 61. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/46758 (Set: 2marts2021).