Surface crusting of arid sandy soils The assessment of soil surface sealing and crusting /Valentin, Christian SURFACE DU SOL CROUTE PEDOGENESE ETUDE EXPERIMENTALE SIMULATION DE PLUIE MICROMORPHOLOGIE SOL SABLEUX ETAT DE SURFACE DU SOL sn 1984 text https://www.documentation.ird.fr/hor/fdi:15315 fdi:15315 Valentin Christian. Surface crusting of arid sandy soils. In : . The assessment of soil surface sealing and crusting sn, 1984, 8 multigr. The Assessment of Soil Surface Sealing and Crusting : International Symposium, Gand (BE), 1984 EN NIGER