1. Local farmer's experience of soils combined with reconnaissance soil survey for land use planning—an example from Tanzania;Acres;Soil Survey Land Eval.,1984
2. Mapping land use patterns in a river catchment using Geographical Information Systems;Adinarayana;J. Environ. Manage.,1994
3. Mise en valeur agricole des bas-fonds au Sahel. Typologie, fonctionnement hydraulique, potentialités agricoles,1993
4. Monitoring changes in land cover in semi-arid regions by remote sensing techniques;Allan;Intern. Arch. Photogram. Rem. Sens. XXV, Part A7, Commission,1984
5. Wetlands in Sub-Saharan Africa: Area and Distribution;Andriesse,1986