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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 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 12); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 7); 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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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-4,sup.s1;vol.11:1-4;vol.12:1-4,sup.s1;vol.13:1-4;vol.14:1-4,sup.S1,sup.S2;vol.15:1-12,sup.S1;vol.16:1-12,sup.S1;vol.17:1-12,sup.S1;vol.18:1-12,sup.S1;vol.19:1-12;vol.1:1-2;vol.20:1-12,sup.S1,sup.S2;vol.21:1;vol.2:1-4;vol.3:1-4,sup.s1,sup.s2;vol.4:1-4,sup.s1;vol.5:1-4;vol.6:1-4;vol.7:1-4;vol.8:1-4,sup.s1;vol.9:1-4
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 26
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 12(1-4), 2013: 13(1-4), 2014: 14(1, S1, 2, S2, 3-4), 2015: 15(1, S1, 2-12), 2016: 16(1, S1, 2-12), 2017: 17(1, S1, 2-12), 2018: 18(1, S1, 2-12), 2019: 19(1-12), 2020: 20(1, S1, 2, S2, 3-12), 2021: 21(1-12), 2022: 22(1-12), 2023: 23(1-12), 2024: 24(1, S1, 2-12), 2025: 25(1, S1, 2, S2, 3-12), 2026: 26(1-2)
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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 : 6 (1-4); 7 (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?2, 2 to 4); 2 (S1, 1 to 9, 11, 12); 3 (, 1 to 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 9, 11, 12); 16 (, 1 to 9, 11, 12); 17 (, 1 to 9, 11, 12); 18 (, 1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (1 to 8, 11, 12); 24 (S1, 1 to 9, 11, 12); 25 (S1, 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?2, 2 to 4); 2 (S1, 1 to 9, 11, 12); 3 (, 1 to 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 9, 11, 12); 16 (, 1 to 9, 11, 12); 17 (, 1 to 9, 11, 12); 18 (, 1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (1 to 8, 11, 12); 24 (S1, 1 to 9, 11, 12); 25 (S1, 1 to 9)
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