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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 8; 9 (1 to 4); 10 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1 to 12); 14 (1 to 12); 15 (S1, 1 to 12); 16 (S1, 1 to 12); 17 (S1, 1 to 12); 18 (S1, 1 to 3, 5, 7 to 12); 19 (S1, 1 to 12); 20 (S1, 1 to 12); 21 (S1, 1 to 12); 22 (S1, 1 to 12); 23 (1 to 4, 5-6, 7, 8-9, 10 to 12); 24 (1 to 5, 6-7, 8-9, 10 to 12); 25 (1 to 8, 9-10, 11-12); 26 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12)
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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.11:1-6;vol.12:1-6;vol.13:1-12;vol.14:1-12;vol.15:1-12,sup.S1;vol.16:1-12,sup.S1;vol.17:1-12,sup.S1;vol.18:1-12,sup.S1;vol.19:1-12,sup.S1;vol.20:1-12,sup.S1;vol.21:1-12,sup.S1;vol.22:1;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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8 to 26
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Portico
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Preserved
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2026-04-09
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Preserved : 2012: 13(1-12), 2013: 14(1-12), 2014: 15(1, S1, 2-12), 2015: 16(1, S1, 2-12), 2016: 17(1, S1, 2-12), 2017: 18(1, S1, 2-12), 2018: 19(1, S1, 2-12), 2019: 20(1, S1, 2-12), 2020: 21(1, S1, 2-12), 2021: 22(1, S1, 2-12), 2022: 23(1-12), 2023: 24(1-12), 2024: 25(1-12), 2025: 26(1-12)
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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, 4 to 9, 11, 12); 8 (1 to 4); 9 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (, 1 to 9, 11); 16 (, 1 to 9, 11, 12); 17 (, 1 to 9, 11, 12); 18 (, 1 to 9, 11, 12); 19 (S1, 1 to 9, 11, 12); 21 (S1, 1 to 9, 11, 12); 22 (S1, 1 to 9, 11, 12); 23 (1 to 4, 5-6, 7, 8-9, 11, 12); 24 (1, 2, 4, 5, 6-7, 8-9, 11, 12); 25 (1, 3 to 8, 9-1, 11-12); 26 (1-2, 3-4)
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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, 4 to 9, 11, 12); 8 (1 to 4); 9 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (, 1 to 9, 11); 16 (, 1 to 9, 11, 12); 17 (, 1 to 9, 11, 12); 18 (, 1 to 9, 11, 12); 19 (S1, 1 to 9, 11, 12); 21 (S1, 1 to 9, 11, 12); 22 (S1, 1 to 9, 11, 12); 23 (1 to 4, 5-6, 7, 8-9, 11, 12); 24 (1, 2, 4, 5, 6-7, 8-9, 11, 12); 25 (1, 3 to 8, 9-1, 11-12); 26 (1-2, 3-4, 7-8)
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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 : 8 (1-4)
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