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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 17
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CLOCKSS Archive
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Preserved
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2026-02-09
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4 to 18
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 1(1-2), 2003: 2(1-4), 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(1-12), 2015: 14(1-12), 2016: 15(1-12), 2017: 16(1-13), 2018: 17(1), 2019: 18(1), 2020: 19(1), 2021: 20(1-6), 2022: 21(1-6), 2023: 22(1-6), 2024: 23(1-6), 2025: 24(1-6), 2026: 25(1)
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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 : ; 2 (1 to 6); 15 (11); 18 (1); 19; 21 (2 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 : 13 (2 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11 to 13); 17 (1); 18
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CLOCKSS Archive
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Preserved
|
2026-02-09
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1 to 24
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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.13:1-12;vol.14:1-12;vol.15:1-12;vol.16:1-13;vol.17:1;vol.18:1;vol.19:1;vol.1:1-2;vol.2:1-4;vol.3:1-4;vol.4:1-4;vol.5:1-4;vol.6:1-4;vol.7:1-4;vol.8:1-4;vol.9:1-4
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