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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 4); 2 (1, 2, 3-4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (s1, 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 4); 16 (1 to 4); 17 (1 to 6); 18 (1 to 6); 19 (1 to 12); 20 (S1, 1 to 12); 21 (S1, 1 to 12); 22 (S1, 1 to 12); 23 (S1, 1 to 12); 24 (1 to 12); 25 (1, 2)
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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;vol.11:1-4;vol.12:1-4;vol.13:1-4;vol.14:1-4;vol.15:1-4;vol.16:1-4;vol.17:1-6;vol.18:1-6;vol.19:1-12;vol.1:1-4;vol.20:1;vol.2:1-2,3-4;vol.3:1-4;vol.4:1-4;vol.5:1-4;vol.6:1-4,sup.s1;vol.7:1-4;vol.8:1-4;vol.9:1-4
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 25
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Portico
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Preserved
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2026-04-09
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Preserved : 2002: 1(1-4), 2003: 2(1-2), 2004: 3(1-4), 2005: 4(1-4), 2006: 5(1-4), 2007: 6(1-4), 2008: 7(1-4), 2009: 8(1-4), 2010: 9(1-4), 2011: 10(1-4), 2012: 11(1-4), 2013: 12(1-4), 2014: 13(1-4), 2015: 14(1-4), 2016: 15(1-4), 2017: 16(1-4), 2018: 17(1-6), 2019: 18(1-6), 2020: 19(1-12), 2021: 20(1, S1, 2, S2, 3-12), 2022: 21(1, S1, 2-12), 2023: 22(1, S1, 2, S2, 3, S3, 4-12), 2024: 23(1, S1, 2, S2, 3, S3, 4, S4, 5, S5, 6-12), 2025: 24(1-2, S2, 3, S3, 4, S4, 5-12), 2026: 25(1-3)
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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 4); 2 (S1, 1, 2 to 4 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 4); 16 (1 to 4); 17 (1 to 6); 18 (1 to 6); 19 (1 to 9, 11, 12); 21 (S1, 1 to 9, 11, 12); 22 (S1, 1 to 9, 11, 12); 23 (S1, 1 to 9, 11, 12); 24 (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 4); 2 (S1, 1, 2 to 4 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 4); 16 (1 to 4); 17 (1 to 6); 18 (1 to 6); 19 (1 to 9, 11, 12); 21 (S1, 1 to 9, 11, 12); 22 (S1, 1 to 9, 11, 12); 23 (S1, 1 to 9, 11, 12); 24 (1 to 9)
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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 : 5 (1-4); 6 (s1, 1-4)
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