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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 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 4 to 6); 9 (, 1-2, 3 to 8); 10 (, 1 to 8); 11 (, 1 to 8); 12 (, 1 to 8); 13 (, 1 to 4, 5‐6, 7‐8); 14 (, 1 to 8); 15 (, 1 to 8); 16 (, 1 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (, 1 to 8); 20 (, 1 to 8); 21 (, 1 to 8); 22 (, 1 to 8); 23 (, 1 to 8); 24 (, 1 to 8); 25 (, 1 to 8); 26 (, 1 to 8); 27 (, 1 to 4); 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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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-8,1p2,sup.s1;vol.11:1-8,sup.s1,sup.s2;vol.12:1-8,sup.s1;vol.13:1-4,5-6,7-8,sup.s1;vol.14:1-8,sup.s1,sup.s2;vol.15:1-8,sup.s1;vol.16:1-8,sup.s1;vol.17:1-8,sup.S1,sup.S2;vol.18:1-8,sup.S1;vol.19:1-8,sup.S1;vol.1:1-2;vol.20:1-8,sup.S1,sup.S2;vol.21:1-8,sup.S1;vol.22:1-8,sup.S1;vol.2:1-4,3p2;vol.3:1-6;vol.4:1-6,sup.s1;vol.5:1-6,sup.s1,sup.s2;vol.6:1-6,sup.s1;vol.7:1-6,sup.s1,sup.s2,sup.s3,sup.s4,sup.s5;vol.8:1-4,6,5p1,5p2,sup.s1;vol.9:3-8,1-2,sup.s1,sup.s2
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 27
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 14(1-8), 2013: 15(1-8), 2014: 16(1-8), 2015: 17(1, S1, 2, S2, 3-8), 2016: 18(1, S1, 2-8), 2017: 19(1, S1, 2-8), 2018: 20(1, S1, 2-8), 2019: 21(1, S1, 2-8), 2020: 22(1, S1, 2-8), 2021: 23(1, S1, 2-8), 2022: 24(1, S1, 2-8), 2023: 25(1, S1, 2-8), 2024: 26(1, S1, 2-8), 2025: 27(1, S1, 2-8), 2026: 28(1)
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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 8); 2 (, 1 to 8); 3 (1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 4 to 6); 9 (, 1?2, 3 to 8); 11 (, 1 to 8); 12 (, 1 to 8); 13 (, 1 to 4, 5?6, 7?8); 14 (, 1 to 8); 15 (, 1 to 8); 16 (, 1 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (, 1 to 8); 21 (1 to 8); 22 (S1, 1 to 8); 23 (S1, 1 to 8); 24 (1 to 8); 25 (S1, 1 to 8); 26 (S1, 1 to 8); 27 (S1, 1 to 5)
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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 8); 2 (, 1 to 8); 3 (1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 4 to 6); 9 (, 1?2, 3 to 8); 11 (, 1 to 8); 12 (, 1 to 8); 13 (, 1 to 4, 5?6, 7?8); 14 (, 1 to 8); 15 (, 1 to 8); 16 (, 1 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (, 1 to 8); 21 (1 to 8); 22 (S1, 1 to 8); 23 (S1, 1 to 8); 24 (1 to 8); 25 (S1, 1 to 8); 26 (S1, 1 to 8); 27 (S1, 1 to 6)
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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 : 8 (s1, 1-4-6); 9 (s1, 1-2, 3-8)
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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 8, S1, S2); 18 (1 to 8, S1); 19 (2, 3, 5 to 8, S1); 20 (1, 2, 4 to 8, S1, S2); 21 (1 to 5, 7, 8, S1); 22 (2, 3, 5 to 8, S1); 23 (1 to 8, S1); 24 (1 to 8, S1); 25 (5); 26 (2)
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