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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2); 2 (1 to 9); 3 (1 to 3, 4-5, 6-7, 8, 9); 4 (S1, 1 to 6, 7-8, 9); 5 (1 to 9); 6 (S1, 1 to 4, 6-7, 8 to 12); 7 (1, 2, 3-4, 5 to 8, 9-10, 11, 12); 8 (1 to 12); 9 (1, 5 to 10, 11‐12); 10 (1 to 12); 11 (1 to 12); 12 (1 to 12); 13 (1 to 12); 14 (1-2, 3, 4-5, 6 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, 2)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-12;vol.11:1-12;vol.12:1-12;vol.13:1-12;vol.14:3-3,6-12,1-2,4-5;vol.15:1-12;vol.16:1-12;vol.17:1-12;vol.1:1-2;vol.2:1-9;vol.3:1-3,8-9,4-5,6-7;vol.4:1-6,9,7-8,S1;vol.5:1-9;vol.6:1-5,8-12,6-7,S1;vol.7:1-2,5-8,11-12,3-4,9-10;vol.8:1-12;vol.9:1-10,11-12
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 23
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Portico
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Preserved
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2026-04-09
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Preserved : 2004: 1(1-2), 2005: 2(1-9), 2006: 3(1-9), 2007: 4(1, S 1, S 1, 1, 2-9), 2008: 5(1-9), 2009: 6(1, S 1, S 1, 1, 2-12), 2010: 7(1-8, 11-12), 2011: 8(1-12), 2012: 9(1-12), 2013: 10(1-12), 2014: 11(1-12), 2015: 12(1-12), 2016: 13(1-12), 2017: 14(1-12), 2018: 15(1-12), 2019: 16(1-12), 2020: 17(1-12), 2021: 18(1-12), 2022: 19(1-12), 2023: 20(1-12), 2024: 21(1-12), 2025: 22(1-12), 2026: 23(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, 11, 12); 2 (1 to 9, 11, 12); 3 (1 to 3, 4?5, 6?7, 8, 9); 4 (S1, 1 to 6, 7?8, 9); 5 (1 to 9); 6 (S1, 1 to 5, 6?7, 8, 9, 11, 12); 7 (1, 2, 3?4, 5 to 8, 9?1, 11, 12); 8 (1 to 9, 11, 12); 9 (1 to 9, 11?12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1-2, 3, 4-5, 6 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, 12); 21 (1 to 4, 6 to 9, 11, 12); 22 (1 to 8)
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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, 11, 12); 2 (1 to 9, 11, 12); 3 (1 to 3, 4?5, 6?7, 8, 9); 4 (S1, 1 to 6, 7?8, 9); 5 (1 to 9); 6 (S1, 1 to 5, 6?7, 8, 9, 11, 12); 7 (1, 2, 3?4, 5 to 8, 9?1, 11, 12); 8 (1 to 9, 11, 12); 9 (1 to 9, 11?12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1-2, 3, 4-5, 6 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, 12); 21 (1 to 4, 6 to 9, 11, 12); 22 (1 to 8)
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Library of Congress
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Preserved
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2025-04-07
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3 (8); 11 (1 to 12); 12 (1, 2, 5 to 12); 13 (1 to 9, 11, 12); 14 (1-2, 3, 4-5, 6, 8, 9, 11, 12); 15 (1 to 9, 12); 16 (1 to 12); 17 (2, 4, 6, 8, 9); 18 (4 to 12); 19 (1 to 12); 20 (1, 7 to 11); 21 (3 to 5)
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