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|Sommer, Stefan and Zucca, Claudio and Grainger, Andrew and Cherlet, Michael and Zougmore, Robert and Sokona, Youba and Hill, Joachim and Della Peruta, Raniero and Roehrig, Julia and Wang, Guosheng (2011) Application of indicator systems for monitoring and assessment of desertification from national to global scales. Land Degradation & Development, Vol. 22 (2), p. 184-197. eISSN 1099-145X. Article.|