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Internet Archive
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Preserved
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2025-08-08
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2
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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, 3); 3 (5); 4 (4, 6); 5 (2, 4, 5); 6 (2 to 5); 7 (1, 2); 8 (3); 9 (2, 4 to 6); 10 (1, 2, 4, 6); 11 (1 to 4); 12 (5); 13 (6); 14 (2, 5); 15 (1, 3, 5)
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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;vol.1:1-6;vol.2:1-6;vol.3:1-6;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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2026-04-06
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1 to 17
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Portico
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Preserved
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2026-04-09
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Preserved : 2010: 1(1-6), 2011: 2(1-6), 2012: 3(1-6), 2013: 4(1-6), 2014: 5(1-6), 2015: 6(1-6), 2016: 7(1-6), 2017: 8(1-6), 2018: 9(1-6), 2019: 10(1-6), 2020: 11(1-6), 2021: 12(1-6), 2022: 13(1-6), 2023: 14(1-6), 2024: 15(1-6), 2025: 16(1-2, 4-6), 2026: 17(1)
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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, 2, 4 to 6); 2 (1 to 6); 3 (1 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); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (5, 6); 15 (2, 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 : 14 (1 to 6)
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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 : 14 (1 to 6)
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