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Portico
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Preserved
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2026-04-02
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Preserved : 1993/1994: 1(1-4), 1994/1995: 2(1-4), 1995/1996: 3(1-4), 1996/1997: 4(1, 3-4), 1999: 5(1-4), 2000: 6(1-4), 2001: 7(1-3), 2001/2002: 8(1-4), 2003: 9(1-3), 2004: 10(1-3), 2005: 11(1-2), 2006: 12(1-2), 2007: 13(1-2), 2008: 14(1-3), 2009: 15(1)
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ZBW - Leibniz Information Centre for Economics
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Preserved
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2026-03-10
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Preserved : 2025:31(1 to 2)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1, 3, 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 3); 8 (1 to 4); 9 (1 to 3); 10 (1 to 3); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1 to 3); 15 (1, 2); 16 (1, 2); 17 (1); 18 (2, 3); 19 (1 to 3); 20 (1, 3, 4); 21 (1 to 4); 22 (1 to 4); 25; 26 (2 to 4); 27 (1); 28 (4); 29 (1); 30 (2); 31 (4)
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CLOCKSS Archive
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Preserved
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2026-03-30
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1 to 17
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LOCKSS Archive
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Preserved
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2026-03-30
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1 to 17
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Portico
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Preserved
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2026-04-02
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Preserved : 1993/1994: 1(1-4), 1994/1995: 2(1-4), 1995/1996: 3(1-4), 1996/1997: 4(1, 3-4), 1999: 5(1-4), 2000: 6(1-4), 2001: 7(1-3), 2001/2002: 8(1-4), 2003: 9(1-3), 2004: 10(1-3), 2005: 11(1-2), 2006: 12(1-2), 2007/2008: 13(1-2), 2008/2009: 14(1-3), 2009: 15(1-2), 2010/2012: 16(1-2), 2011: 17(1), 2012: 18(1-3), 2013: 19(1)
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Portico
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Preserved
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2026-04-02
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Preserved : 2014: 20(3-4), 2014/2015: 21(1-4), 2015/2016: 22(1-4), 2017: 23(1-4), 2018: 24(1-4), 2019: 25(1-4), 2020: 26(1-4), 2021: 27(1-4), 2022/2023: 28(1-4), 2023: 29(1-4), 2024: 30(1-4), 2025: 31(1-4), 2026: 32(1)
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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); 2 (1-4, 2 to 4); 3 (1-4); 4; 5 (2 to 4); 6 (1 to 4); 7 (1 to 3); 8 (1 to 4); 9 (1 to 3); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1 to 3); 15 (1, 2); 16 (1, 2); 17 (1); 18 (2, 3); 19 (1 to 3); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1, 3, 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 3)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 14; 23 (4); 24 (1 to 3); 25 (1 to 4); 26 (1, 2); 27 (3, 4); 28 (1 to 3); 29 (2 to 4); 30 (1, 3, 4); 31 (1 to 3); 32 (1)
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Library of Congress
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Preserved
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2025-04-07
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20 (3, 4); 21 (1 to 4); 22 (1, 3, 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 28 (3, 4); 29 (1 to 4); 30 (1 to 3)
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