1. Use of GIS in mapping the environmental sensitivity to desertification in Wadi El Natrun Depression, Egypt;Ali;Aust. J. Basic Appl. Sci.,2008
2. Manual for describing land degradation indicators;AUA (Agricultural University of Athens),2008
3. Evolution de la pluie annuelle de 1885 à 1993 à la station de Praia, île de Santiago, Cap Vert;Babau,1983
4. Approches et contraintes climatiques et évaluation des ressources en eau;Babau,1981
5. Assess and mapping the environmental sensitivity to desertification (a case study in Boushehr Province, Southwest Iran);Bahreini;Int. J. Agric. Crop Sci.,2013