na INLIS000000000000390 Ind 0010-1118000390 Fighting sand encroachment: lessons from Mauritania BERTE, Charles Jacques Rome FAO 2010 vi, 74p.: ill., 30 cm vi, 74p.: ill., 30 cm Sr. FAO.631.6.02/.612 Bibl. : p. 43 631.6.02/.612 SANDY SOILS DUNES SOIL STABILIZATION EROSION CONTROL 26/FAO/2011-mfn708 26/FAO/2011-mfn709 26/FAO/2011-mfn53147