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The macquenoise sandstone (Devonian -- Lochkovian), a suitable raw material for ancient querns and millstones: quarries, properties, manufacture and distribution in France and Belg...
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The macquenoise sandstone (Devonian – Lochkovian), a suitable raw material for ancient querns and millstones : quarries, properties, manufacture and distribution in France and Belg...
THE MACQUENOISE SANDSTONE : A suitable Lochkovian raw material for ancient millstones : quarries, properties, manufacture and distribution (Belgium-France)
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