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15th`16th century |
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Conservation and Restoration of the Most Damaged Paper Manuscripts from the Collection of the Center for Slavo-Byzantine Studies "Prof. Ivan Dujcev", Bulgaria iin progres) |
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15th`16th century |
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Conservation and Restoration of the Most Damaged Paper Manuscripts from the Collection of the Center for Slavo-Byzantine Studies "Prof. Ivan Dujcev", Bulgaria iin progres) |
