Brown subarid tropical soils of West Africa Geography and classification of soils of Asia /Maignien, Roger SOL TYPOLOGIE CARACTERE MORPHOLOGIQUE CARACTERISTIQUE CHIMIQUE PEDOGENESE DIFFERENCIATION PEDOGENETIQUE ZONE SUBARIDE sn Kovda, V.A. (ed.) Lobova, E.V. (ed.) 1968 text https://www.documentation.ird.fr/hor/fdi:13840 fdi:13840 Maignien Roger, . Brown subarid tropical soils of West Africa. In : Kovda V.A. (ed.), Lobova E.V. (ed.), . Geography and classification of soils of Asia sn, 1968, 187-193 EN AFRIQUE DE L'OUEST