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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 12(1-4), 2006: 13(1-4), 2007: 14(1-4), 2008: 15(1-4), 2009: 16(1-4), 2010: 17(1-4), 2011: 18(1-4), 2012: 19(1-4), 2013: 20(1-4), 2014: 21(1-4), 2015: 22(1-4), 2016: 23(1-4), 2017: 24(1-4), 2018: 25(1-4), 2019: 26(4), 2019/2020: 27(1-4), 2021: 28(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2023: 29(4), 2023/2024: 30(1-4), 2024: 31(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2001: 8(2-4), 2002: 9(1-4), 2003: 10(1-4), 2004: 11(1-4), 2005: 12(1-4), 2006: 13(1-4), 2007: 14(1-4), 2008: 15(1-4), 2009: 16(1-4), 2010: 17(1-4), 2011: 18(1-4), 2012: 19(1-4), 2013: 20(1-4), 2014: 21(1-4)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 2 (3); 3 (, 1); 5 (, 3); 6 (, 1 to 3); 9 (, 2); 10 (, 4); 11 (, 3); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1, 2, 3-4, 34); 22 (, 1, 2-4, 24); 23 (, 1-2, 3-4, 12); 24 (, 1-2, 3-4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1, 2, 3-4); 29 (, 1 to 4); 30 (, 1, 2); 31 (, 1-2, 3, 4); 32 (, 1); 50 (, 4); 1995; 1996; 1998; 1999; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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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 : 1994: 1(1-4), 1995: 2(1-4), 1996: 3(1-4), 1997: 4(1-4), 1998: 5(1-4), 1999: 6(1-4), 2000: 7(1-4), 2001: 8(1-4), 2002: 9(1-4), 2003: 10(1-4), 2004: 11(1-4), 2005: 12(1-4), 2006: 13(1-4), 2007: 14(1-4), 2008: 15(1-4), 2009: 16(1-4), 2010: 17(1-4), 2011: 18(1-4), 2012: 19(1-4), 2013: 20(1-4), 2014: 21(1-4), 2015: 22(1-4), 2016: 23(1-4), 2017: 24(1-4), 2018: 25(1-4), 2019: 26(1-4), 2020: 27(1-4), 2021: 28(1-4), 2022: 29(1-4), 2023: 30(1-4), 2024: 31(1-4), 2025: 32(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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12 to 24
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 31
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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 32
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LOCKSS Archive
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In Progress
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2026-02-09
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32
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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 to 4); 2 (1 to 4); 3 (1, 2, 3-4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1, 2, 3-4); 22 (1, 2-4); 23 (1-2, 3-4); 24 (1-2, 3-4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1, 2, 3-4); 29 (1 to 4); 31 (1-2, 3, 4)
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Library of Congress
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Preserved
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2025-04-07
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17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 3-4); 22 (1, 2-4); 23 (1-2, 3-4); 24 (1-2, 3-4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 3-4); 29 (1 to 4); 30 (1 to 3-4); 31 (1-2)
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