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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 5
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 5
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 1(1), 2008: 2(1), 2009: 3(1)
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ZBW - Leibniz Information Centre for Economics
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Preserved
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2025-12-15
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Preserved : 1:1;2:1;3:1 to 3:2;2:1;4:1 to 4:2;5:1 to 5:2;6:1;6:2;7:1 to 7:2;8:1 to 8:2;9:1 to 9:2;10:1 to 10:2;11:1 to 11:2;11:2;12:1 to 12:2;13:1;14:1;15:1 to 15:2;16:1 to 16:2
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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, 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); 12 (1, 2); 13 (1); 16 (2); 17 (1, 2); 18 (1)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 6 (2); 2013
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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 (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)
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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 (, 2); 7 (, 1, 2); 8 (, 1, 2); 9 (, 1, 2); 10 (, 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); 2007; 2008; 2009; 2010; 2011; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 1(1), 2008: 2(1), 2009: 3(1-2), 2010: 4(1-2), 2011: 5(1-2), 2012/2013: 6(1-2), 2013: 7(1-2), 2014: 8(1-2), 2015: 9(1-2), 2016: 10(1-2), 2017: 11(1-2), 2018: 12(1-2), 2019: 13(1-2), 2020: 14(1-2), 2021: 15(1-2), 2022: 16(1-2), 2023: 17(1-2), 2024: 18(1-2), 2025: 19(1-2)
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