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1Actes de congresos LlibrePublicat 1987“…Regional Conference for Africa on Soil Mechanics and Foundation Engineering Lagos, Nigeria…”
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2Actes de congresos LlibrePublicat 1963“…Regional Conference for Africa on Soil Mechanics and Foundation Engineering Salisbury, Rhodesia…”
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3Actes de congresos LlibrePublicat 1967“…Regional Conference for Africa on Soil Mechanics and Foundation Engineering Cape Town, South Africa…”
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4Actes de congresos LlibrePublicat 1985“…Regional Conference for Africa on Soil Mechanics and Foundation Engineering…”