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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 3 (2); 7 (1); 8; 9 (2); 10 (S1, 1, 2); 11 (S1, 1 to 3); 12 (1 to 4); 13 (1 to 4); 14 (1, 2); 15 (S1); 16 (1 to 4)
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 16
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Portico
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Preserved
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2026-04-16
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Preserved : 2008: 3(2)
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Portico
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Preserved
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2026-04-16
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Preserved : 2012: 7(1), 2013: 8(1), 2014: 9(1-2), 2015: 10(1, S 1, 2), 2016: 11(1, S1, 2, S2, 3), 2017: 12(1-4), 2018: 13(1-4), 2019: 14(1-4), 2020: 15(1, S1, 2-4), 2021: 16(1-4)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 1 (S1, 1); 2 (2); 3 (1, 2); 4 (n2, 1); 5 (n1); 6 (1, 2); 7 (1); 8; 9 (2); 11 (, 1 to 3); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (S1, 1 to 4); 16 (1 to 4)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (S1, 1); 2 (2); 3 (1, 2); 4 (n2, 1); 5 (n1); 6 (1, 2); 7 (1); 8; 9 (2); 11 (, 1 to 3); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (S1, 1 to 4); 16 (1 to 4)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1); 2 (2)
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