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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 9
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 9
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 1(1), 2004: 2(1), 2005: 3(1), 2006: 4(1), 2007: 5(1), 2008: 6(1), 2009: 7(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;4:1;5:1;6:1;7:1;8:1 to 8:2;9:1;10:1;11:1;12:1;13:1;14:1;15:1;16:1;17:1;18:1;18:1;19:1;19:1;20:1
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 10 (1); 19 (, 1); 20 (, 1); 21 (, 1); 22 (, 1); 2012; 2020; 2022; 2023; 2024
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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; 3; 4; 5; 6; 7; 8 (2); 9 (1); 11; 12; 13; 14; 15; 16; 17; 18; 19; 21
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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; 3; 4; 5; 6; 7; 8 (2); 9 (1); 11; 12; 13; 14; 15; 16; 18; 19
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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 (1); 7 (1); 8 (1, 2); 9 (1); 10 (1); 11 (1); 12 (1); 13 (1); 14 (1); 15 (1); 16 (1); 17 (1); 20 (1); 21 (1); 22 (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); 4 (, 1); 5 (, 1); 6 (, 1); 7 (, 1); 8 (, 1, 2); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1); 16 (, 1); 17 (, 1); 18 (, 1); 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2019; 2020
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 1(1), 2004: 2(1), 2005: 3(1), 2006: 4(1), 2007: 5(1), 2008: 6(1), 2009: 7(1), 2010: 8(1-2), 2011: 9(1), 2012: 10(1), 2013: 11(1), 2014: 12(1), 2015: 13(1), 2016: 14(1), 2017: 15(1), 2018: 16(1), 2019: 17(1), 2020: 18(1), 2021: 19(1), 2022: 20(1), 2023: 21(1), 2024: 22(1), 2025: 23(1)
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