1.
Mette Lykke A, Fog B, E. Madsen J. Woody Vegetation changes in the Sahel of Burkina Faso assessed by means of local knowledge, aerial photos, and botanical investigations. gt [Internet]. 1. januar 1999 [henvist 20. december 2024];2. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/42473