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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 24
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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); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1, 2, 3-4); 8 (, 1 to 4); 9; 10; 12; 17; 18; 19; 20; 21; 22; 23; 24; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2017; 2018
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 1(1-2), 2008: 2(1-4), 2009: 3(1-4), 2010: 4(1-4), 2011: 5(1-4), 2012: 6(1-4), 2013: 7(1-4), 2014: 8(1-4), 2015: 9(C), 2015: 10(C), 2015: 11(C), 2015: 12(C), 2016: 13(C), 2016: 14(C), 2016: 15(C), 2016: 16, 2017: 17, 2017: 18, 2017: 19, 2017: 20, 2018: 21, 2018: 22, 2018: 23, 2018: 24
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Portico
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Preserved
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2026-02-12
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Preserved : 2006/2007: 1(1, S 1, 2), 2008: 2(1-4), 2009: 3(1-4), 2010: 4(1-4), 2011: 5(1-4), 2012: 6(1-4), 2013: 7(1-4), 2014: 8(1-4), 2015: 9(1), 2015: 10(1), 2015: 11(1), 2015: 12(1), 2016: 13(1), 2016: 14(1), 2016: 15(1), 2017: 17(1), 2017: 18(1), 2017: 19(1), 2017: 20(1), 2018: 21(1), 2018: 22(1), 2018: 23(1), 2018: 24(1), 2019: 25(1-2, S 1, 3-4), 2020: 26(1, S 1, 2-4), 2021: 27(1, S 1, 2-3), 2022: 28(1-4), 2023: 29(1, S 1, 2-4), 2024: 30(1, S 1, S 2), 2025/2026: 31(1, S 1), 2026: 32(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 15, 17 to 32
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 29 (Suppl 1, 1 to 4)
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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 : 29 (Suppl 1, 1 to 4)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (S1, 1, 2); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1, 2, 3-4); 8 (1-4); 9 (C); 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24
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