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1by Rubio, J.L. (ed.) 1423211773211, European Society for Soil Conservation (ESSC) eng 25138, International Congress of the European Society for Soil Conservation eng 28 Mar - 1 Apr 2000 3 Valencia (Spain) 401118, Morgan, R.P.C. (ed.) 1423211773212, Asins, S. (ed.) 1423211773213, Andreu, V. (ed.) 1423211773214
Published 2002Texto bibliotecaFAO IT