Enlace original:
https://wedocs.unep.org//handle/20.500.11822/28510
United Nations Environment Programme
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France, Ministry of Foreign Affairs
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[Development of a New Method of Desertification Evaluation of the Sahel Region : The Land Use Component is Analized by Remote Sensing and GIS Techniques 1950-1990 - Final Report of Stage 1]
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Development of a New Method of Desertification Evaluation of the Sahel Region : The Land Use Component is Analized by Remote Sensing and GIS Techniques 1950-1990 - Final Report of Stage 1