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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.1:1-9;vol.2:1-18;vol.3:1-24;vol.4:1-24;vol.5:1-24;vol.6:1-24;vol.7:1-24
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Portico
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Preserved
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2026-02-12
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Preserved : 2014: 1(1-9), 2015: 2(1-18), 2016: 3(1-24), 2017: 4(1-24), 2018: 5(1-24), 2019: 6(1-24), 2020: 7(1-24), 2021: 8(1-24), 2022: 9(1-36), 2023: 10(1-36), 2024: 11(1-36), 2025: 12(1-24), 2026: 13(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 : 5 (1 to 9, 11 to 19, 21 to 24); 6 (1 to 9, 11 to 19, 21 to 24); 7 (1 to 9, 11 to 19, 21 to 24); 8 (1 to 9, 11 to 19, 21 to 24); 9 (1 to 9, 11 to 19, 21 to 29, 31 to 36)
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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 : 5 (1 to 9, 11 to 19, 21 to 24); 6 (1 to 9, 11 to 19, 21 to 24); 7 (1 to 9, 11 to 19, 21 to 24); 8 (1 to 9, 11 to 19, 21 to 24); 9 (1 to 9, 11 to 19, 21 to 29, 31 to 36)
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Library of Congress
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Preserved
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2025-04-07
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1 (1 to 9); 2 (1 to 18); 3 (1 to 21); 4 (1, 4 to 11, 13 to 19, 22 to 24); 5 (1 to 3, 7 to 12, 14 to 17, 19, 20, 22 to 24); 6 (1, 4, 5, 7 to 10, 12 to 22); 7 (2 to 6, 9 to 12, 15 to 22, 24); 8 (1, 4 to 6, 9 to 24); 9 (1 to 36); 10 (1 to 10, 15, 16, 19 to 31); 11 (8 to 13, 32); 12 (4, 5)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 13
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