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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 : 3 (4); 4 (1-4); 5 (1-4)
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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 : 1 (1 to 6); 2 (1 to 6); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 5); 7 (1 to 5); 8 (1 to 5); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 3, 5, 6); 22 (1 to 6); 23 (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 : 1 (1 to 6); 2 (1 to 6); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 5); 7 (1 to 5); 8 (1 to 5); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 3, 5, 6); 22 (1 to 6); 23 (1 to 5)
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Library of Congress
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Preserved
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2025-04-07
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5 (1); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 5); 15 (1 to 3, 5, 6); 16 (2 to 6); 17 (2, 4 to 6); 18 (2 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1, 5, 6); 22 (2)
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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 5); 7 (, 1 to 5); 8 (, 1 to 5); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 3); 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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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-6;vol.11:1-6;vol.12:1-6;vol.13:1-6;vol.14:1-6;vol.15:1-6;vol.16:1-6;vol.17:1-6;vol.18:1-6;vol.1:1-2;vol.2:1-4;vol.3:1-4;vol.4:1-4;vol.5:1-4;vol.6:1-5;vol.7:1-5;vol.8:1-5;vol.9:1-6
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 23
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 5(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 9(2), 2012: 10(1-6), 2013: 11(1-6), 2014: 12(1-6), 2015: 13(1-6), 2016: 14(1-6), 2017: 15(1-6), 2018: 16(1-6), 2019: 17(1-6), 2020: 18(1-6), 2021: 19(1-6), 2022: 20(1-6), 2023: 21(1-6), 2024: 22(1-6), 2025: 23(1-6), 2026: 24(1)
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