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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 4); 2 (, 1‐2, 3 to 6); 3 (, 1‐2, 3 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-6;vol.11:1-6;vol.12:1-12;vol.13:1-12;vol.14:1-12;vol.15:1;vol.1:1-4;vol.2:3-6,1-2;vol.3:3-6,1-2;vol.4:1-6;vol.5:1-6;vol.6:1-6;vol.7:1-6;vol.8:1-6;vol.9:1-6
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 20
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 1(1-4), 2008: 2(1-6), 2009: 3(1-6), 2010: 4(1-6), 2011: 5(1-6), 2012: 6(1-6), 2013: 7(1-6), 2014: 8(1-6), 2015: 9(1-6), 2016: 10(1-6), 2017: 11(1-6), 2018: 12(1-12), 2019: 13(1-12), 2020: 14(1-12), 2021: 15(1-12), 2022: 16(1-12), 2023: 17(1-12), 2024: 18(1-12), 2025: 19(1-24), 2026: 20(1-3)
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Library of Congress
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Preserved
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2025-04-07
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9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 8, 12); 13 (1, 3 to 12); 14 (3 to 7, 9, 11, 12); 15 (1 to 12); 16 (1 to 12); 17 (2, 4, 6, 8 to 11); 18 (3, 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 to 6); 2 (1?2, 3 to 6); 3 (1?2, 3 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 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 to 18)
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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 6); 2 (1?2, 3 to 6); 3 (1?2, 3 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 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 to 18)
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