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CLOCKSS Archive
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Preserved
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2026-02-09
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18
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 16
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Public Knowledge Project PLN
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Preserved
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2026-02-12
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Preserved : 1 (1 to 5); 2 (1 to 5); 3 (1 to 6); 4 (1 to 3); 5 (1 to 5); 6 (1 to 4); 7 (1 to 5); 8 (1 to 5); 9 (1 to 7); 10 (1 to 6); 11 (1 to 6); 12 (1 to 8); 13 (1, 3 to 6); 14 (1, 2, 4); 15 (1, 2, 4, 5); 16 (1 to 3); 17 (2, 3, 5)
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