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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 (sup1, 1, 2); 2 (1); 3 (2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1)
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Library of Congress
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Preserved
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2025-04-07
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7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (sup1, 1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1-2)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1); 2 (, 1); 3 (, 1, 2); 4 (, 1, 2); 5 (, 1, 2); 6 (, 1, 2); 7 (, 1, 2); 8 (, 1, 2); 9 (, 1, 2); 10 (, 1, 2); 11 (, 1, 2); 13 (, 1, 2); 14 (, 1, 2); 15 (, 1, 2); 16 (, 1, 2); 17 (, 1, 2); 18 (, 1, 2); 19 (, 1, 2); 20 (, 1-2); 21 (, 1, 2); 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 1(1), 2005: 2(1), 2006: 3(1-2), 2007: 4(1-2), 2008: 5(1-2), 2009: 6(1-2), 2010: 7(1-2), 2011: 8(1-2), 2012: 9(1-2), 2013: 10(1-2), 2014: 11(1-2), 2015: 12(1-2), 2016: 13(1-2), 2017: 14(1-2), 2018: 15(1-2), 2019: 16(1-2), 2020: 17(1-2), 2021: 18(1-2), 2022: 19(1-2), 2023: 20(1-2), 2024: 21(1-2), 2025: 22(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 2(1), 2006: 3(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2019: 16(1), 2020: 17(1), 2021: 18(1-2), 2022: 19(1-2), 2023: 20(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 21
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print to 22
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LOCKSS Archive
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In Progress
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2026-02-09
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22
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