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- [33] Improvements to be carried out on tropical soils damaged for the regeneration of fertility COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1941, 212 : 869 - 870
- [36] TENTATIVE HYDROLOGIC SOIL CLASSIFICATION FOR TROPICAL SOILS ADVANCES IN WATER RESOURCES AND HYDRAULIC ENGINEERING, VOLS 1-6, 2009, : 199 - +
- [38] TROPICAL SOIL - CLASSIFICATION, FERTILITY AND MANAGEMENT - KALPHAGE,FSCP PROFESSIONAL GEOGRAPHER, 1977, 29 (01): : 115 - 116