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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 4 (5); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 12); 10 (1 to 12); 11 (1 to 7, 9 to 12); 12 (1 to 7, 9 to 12); 13 (1 to 12); 14 (1 to 12); 15 (1 to 12); 16 (1 to 12); 17 (1 to 12); 18 (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.10:1-12;vol.11:1-12;vol.12:1-12;vol.13:1;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.9:1-12
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 18
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Portico
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Preserved
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2026-04-09
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Preserved : 2012: 4(1-6), 2013: 5(1-6), 2014: 6(1-6), 2015: 7(1-6), 2016: 8(1-6), 2017: 9(1-12), 2018: 10(1-12), 2019: 11(1-12), 2020: 12(1-12), 2021: 13(1-12), 2022: 14(1-12), 2023: 15(1-12), 2024: 16(1-12), 2025: 17(1-12), 2026: 18(1-4)
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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 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 9, 11, 12); 11 (1 to 3, 6 to 9, 11, 12); 12 (1 to 7, 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 6, 9, 11, 12); 16 (1 to 9, 11, 12); 17 (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, 11, 12); 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 9, 11, 12); 11 (1 to 3, 6 to 9, 11, 12); 12 (1 to 7, 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 6, 9, 11, 12); 16 (1 to 9, 11, 12); 17 (1 to 9, 11)
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