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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 6); 2 (1 to 6); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 9); 7 (1 to 9); 8 (1 to 9); 9 (1 to 9); 10 (1 to 9); 11 (1 to 9); 12 (2 to 9); 13 (1 to 9); 14 (1 to 12); 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 3)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-9;vol.11:1-9;vol.12:1-9;vol.13:1-9;vol.14:1-12;vol.15:1-12;vol.16:1-12;vol.17:1-12;vol.18:1-12;vol.19:1;vol.1:1-6;vol.2:1-6;vol.3:1-6;vol.4:1-6;vol.5:1-6;vol.6:1-9;vol.7:1-9;vol.8:1-9;vol.9:1-9
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 24
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Portico
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Preserved
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2026-04-23
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Preserved : 2005: 3(6)
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Portico
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Preserved
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2026-04-23
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Preserved : 2012: 10(1-9), 2013: 11(1-9), 2014: 12(1-9), 2015: 13(1-9), 2016: 14(1-12), 2017: 15(1-12), 2018: 16(1-12), 2019: 17(1-12), 2020: 18(1-12), 2021: 19(1-12), 2022: 20(1-12), 2023: 21(1-12), 2024: 22(1-12), 2025: 23(1-12), 2026: 24(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 9); 2 (1 to 9, 11, 12); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 9); 7 (1 to 9); 8 (1 to 9); 9 (1 to 9); 11 (1 to 9); 12 (1 to 9); 13 (1 to 9); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 17 (1 to 3, 5 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (1 to 6, 8, 9, 11, 12); 22 (1 to 9, 11, 12); 23 (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 9); 2 (1 to 9, 11, 12); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 9); 7 (1 to 9); 8 (1 to 9); 9 (1 to 9); 11 (1 to 9); 12 (1 to 9); 13 (1 to 9); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 17 (1 to 3, 5 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (1 to 6, 8, 9, 11, 12); 22 (1 to 9, 11, 12); 23 (1 to 9, 11)
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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 : 4 (1-6); 5 (1, 3-6)
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Library of Congress
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Preserved
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2025-04-07
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3 (6); 11 (1 to 9); 12 (1 to 9); 13 (1 to 9); 14 (1 to 10); 15 (1, 6, 7, 10, 12); 16 (1 to 6, 8 to 10); 17 (1 to 10); 18 (1 to 10, 12); 19 (1 to 12); 20 (1 to 12); 21 (1, 9 to 11); 22 (4, 5)
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