1. Lateritic bauxites;Bárdossy,1990
2. A time–space model for the genesis of Early Tertiary laterites from the Jos Plateau, Nigeria;Becker;J. Afr. Earth Sci.,1992
3. Note sur la presence de cuirasses temoins des niveaux bauxitiques et intermediaires Plateau de Jos (Nigeria);Boulangé;Assoc. Senegal. Etude. Quat. Afr., Bull. Liaison,1971
4. Fabric and Mineral Analysis of Soils;Brewer,1964