@article{Helkiær Jensen_1979, title={Carl Troll & W. Lauer (hrsg): Geoecological relations between the southern temperate zone and the tropical mountains.}, volume={79}, url={https://tidsskrift.dk/geografisktidsskrift/article/view/45983}, journal={Geografisk Tidsskrift}, author={Helkiær Jensen, Ruth}, year={1979}, month={jan.} }