@article{Fristrup._1954, title={Glacier Variations and Climatic Fluctuations. H. W: son Ahlmann Bowman Memorial Lectures, Series 3. New York: American Geographical Society, 1953. V + 51 sider, illustrationer og diagrammer. 15X19 cm. 2,50 $.}, volume={53}, url={https://tidsskrift.dk/geografisktidsskrift/article/view/46200}, journal={Geografisk Tidsskrift}, author={Fristrup., Børge}, year={1954}, month={jan.} }