1.
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]. 1. januar 1990 [henvist 28. marts 2024];90. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/44836