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Alumina availability--domestic :a minerals availability system appraisal

Phosphate rock availability--domestic :a minerals availability program appraisal

Phosphate rock availability--world :a minerals availability program appraisal

Columbium availability--market economy countries :a minerals availability appraisal

Titanium minerals availability--market economy countries :a minerals availability appraisal

Phosphate availability and supply :a minerals availability appraisal


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