Balstrøm T. Landslides: Extent and economic significance: proceedings of the 28. International Geological Congress: Symposium on Landslides, Washington, D.C., 17July 1989. Ed. by Earl E. Brabb & Betty L. Harrod. gt [Internet]. 1989 Jan. 1 [cited 2024 Dec. 20];89. Available from: https://tidsskrift.dk/geografisktidsskrift/article/view/44774