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Mineralogy and sand surface morphology of some volcanic ash soils from West Sumatra, Indonesia
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Estimation of Al-for-Fe substitution in goethite by selective dissolution and Mössbauer spectroscopy in a weathering sequence on mafic rocks in the Lower Congo
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Fuzzy reasoning versus Boolean logic in a land suitability assessment
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Exchange properties of highly weathered soils of the Lower Congo
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Impact of agriculture on chemical properties of soils on basalt from Mindanao, the Philippines
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Mineralogical and charge properties of volcanic ash soils from West Sumatra, Indonesia.