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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 1(1), 2013: 2(1), 2014: 3(1), 2015: 4(1), 2016: 5(1), 2017: 6(1, S1), 2018: 7(1, S 1), 2019: 8(1, S1), 2020: 9(1, S1, S2), 2020/2021: 10(1, S1, 2-14), 2022: 11(1, S1, 2, S 2, 3-12), 2023: 12(1, S1, 2, S2, 3-12), 2024: 13(1, S1, 2-12), 2025: 14(1, S 1, 2-12), 2026: 15(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 1, 2013: 2(1, ), 2014: 3, 2015: 4, 2016: 5
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LOCKSS Archive
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Preserved
|
2026-02-09
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1 to 9
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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; 2; 3; 4; 5; 6 (sup1, 1); 7 (sup1, 1); 8 (sup1, 1); 9 (sup1, 1)
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Library of Congress
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Preserved
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2025-04-07
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1; 2 (1); 3 (1); 4 (1); 5 (1); 6 (sup1, 1); 7 (sup1, 1); 8 (sup1, 1); 9 (sup2, sup1, 1)
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Portico
|
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Preserved
|
2026-02-12
|
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Preserved : 2015: 4(1), 2016: 5(1), 2017: 6(1), 2018: 7(1, sup1), 2019: 8(1, sup1), 2020: 9(1, sup1, 1, sup2, 2)
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Scholars Portal
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Preserved
|
2025-09-02
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Preserved : 1 (1); 2 (, 1); 3 (, 1); 4 (, 1); 5 (, 1); 6 (, 1); 7 (, 1); 8 (, 1); 9 (, 1); 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020
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CLOCKSS Archive
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Preserved
|
2026-02-09
|
|
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1 to 15
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CLOCKSS Archive
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Preserved
|
2026-02-09
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1 to 9
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