M. Jensen. K. Joseph E. van Riper: Man’s Physical World. McGraw-Hill Book Company, Inc. 1962. 635 sider, 17 X 24 cm. 66 sh. gt [Internet]. 1962 Jan. 1 [cited 2024 Aug. 17];61. Available from: https://tidsskrift.dk/geografisktidsskrift/article/view/46752