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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 to 6); 2 (, 1 to 6); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 12); 6 (, 1 to 12); 7 (, 1 to 12); 8 (, 1 to 12); 9 (, 1 to 12); 10 (, 1 to 12); 11 (, 1 to 5, 7 to 12); 12 (, 1 to 12); 13 (, 1 to 6, 7-8, 9 to 12); 14 (, 5 to 8, 9-10, 11, 12); 15 (, 1, 2, 3-4, 5, 6-7, 8-9, 10); 16 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 17 (, 1-2, 3-5, 6-7, 8-9, 10-12); 18 (, 1-3, 4-6, 7 to 10, 11-12); 19 (, 1-2, 3 to 5, 8, 9-10, 11, 12); 20 (, 1, 2-3, 4 to 6, 7-8, 9, 10-11, 12); 21 (, 1, 2-3, 4 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 6); 1999; 2000; 2001; 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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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 1(1-6), 2000: 2(1-6), 2001: 3(1-6), 2002: 4(1-6), 2003: 5(1-12), 2004: 6(1, S 1, 2-12), 2005: 7(1-12), 2006: 8(1-12), 2007: 9(1-12), 2008: 10(1-12), 2009: 11(1-12), 2010: 12(1-12), 2011: 13(1-12), 2012: 14(1-12), 2013: 15(1-12), 2014: 16(1-12), 2015: 17(1-12), 2016: 18(1-12), 2017: 19(1-12), 2018: 20(1-12), 2019: 21(1-12), 2020: 22(1-12), 2021: 23(1-12), 2022: 24(1-12), 2023: 25(1-12), 2024: 26(1-12), 2025: 27(1-12), 2026: 28(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 28
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-12;vol.11:1-12;vol.12:1-12;vol.13:1-6,9-12,7-8;vol.14:1-8,11-12,9-10;vol.15:1-2,5-5,10,11-12,3-4,6-7,8-9;vol.16:1-2,11-12,3-4,5-6,7-8,9-10;vol.17:1-2,10-12,3-5,6-7,8-9;vol.18:7-10,1-3,11-12,4-6;vol.19:3-5,8-8,11-12,1-2,6-7,9-10;vol.1:1-6;vol.20:1-1,4-6,9-9,12,10-11,2-3,7-8;vol.21:1-1,4-12,2-3;vol.22:1-12;vol.2:1-6;vol.3:1-6;vol.4:1-6;vol.5:1-12;vol.6:1-12,S1;vol.7:1-12;vol.8:1-12;vol.9:1-12
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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 9, 11, 12); 2 (1 to 6, 7-8, 9, 12); 3 (1 to 6); 4 (1 to 6); 5 (1 to 9, 11, 12); 6 (S1, 1 to 9, 11, 12); 7 (1 to 9, 11, 12); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 6, 7-8, 9, 11, 12); 14 (1 to 8, 9-1, 11, 12); 15 (1, 2, 3-4, 5, 6-7, 8-9, 11-12); 16 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 17 (1-2, 3-5, 6-7, 8-9); 18 (1-3, 4-6, 7 to 9, 11-12); 19 (1-2, 3 to 5, 6-7, 8, 9-1, 11, 12); 21 (1, 2-3, 4 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (1 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9)
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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 9, 11, 12); 2 (1 to 6, 7-8, 9, 12); 3 (1 to 6); 4 (1 to 6); 5 (1 to 9, 11, 12); 6 (S1, 1 to 9, 11, 12); 7 (1 to 9, 11, 12); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 6, 7-8, 9, 11, 12); 14 (1 to 8, 9-1, 11, 12); 15 (1, 2, 3-4, 5, 6-7, 8-9, 11-12); 16 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 17 (1-2, 3-5, 6-7, 8-9); 18 (1-3, 4-6, 7 to 9, 11-12); 19 (1-2, 3 to 5, 6-7, 8, 9-1, 11, 12); 21 (1, 2-3, 4 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (1 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9)
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Library of Congress
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Preserved
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2025-04-07
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5 (10); 13 (1 to 7-8, 9 to 12); 14 (1 to 9-10, 11, 12); 15 (1, 2, 5, 6-7, 8-9, 10, 11-12, 3-4); 16 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 17 (1-2, 3-5, 6-7, 8-9, 10-12); 18 (1-3, 4-6, 7 to 11-12); 19 (3, 5, 8, 11); 20 (1, 2-3, 4 to 7-8, 9, 10-11); 21 (1, 2-3, 4 to 7, 9, 11, 12); 22 (1 to 7, 9 to 12); 23 (1 to 12); 24 (2 to 12); 25 (1, 8 to 11); 26 (3, 4)
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