HASHOLT, Bent. Soil erosion on agricultural land. Ed. by J. Boardman, I. D. L. Foster & J. A. Bearing. Geografisk Tidsskrift, [S. l.], v. 92, 1992. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/44875. Acesso em: 12 jan. 2026.