FREDERIKSEN, P. Carl Christiansson: Soil erosion and sedimentation in semi-arid Tanzania: studies of environmental change and ecological imbalance. (University of Stockholm. Department of Physical Geography. Meddelande. A nr. 119). Geografisk Tidsskrift, [S. l.], v. 84, 1984. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/43999. Acesso em: 16 aug. 2024.