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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 15 (4); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 2008; 2010; 2011; 2012; 2013
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Portico
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Preserved
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2026-02-12
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Preserved : 2010: 17(1-6), 2011: 18(1-6), 2012: 19(1-6), 2013: 20(1-6), 2014: 21(1-12), 2015: 22(1-12), 2016: 23(1-12), 2017: 24(1, S1, 2-12), 2018: 25(1-12), 2019: 26(1-12), 2020: 27(1-12), 2021: 28(1-12), 2022: 29(1, S1, 2-12), 2023: 30(1-12), 2024: 31(1-12), 2025: 32(1-12), 2026: 33(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 33
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.17:1-6;vol.18:1-6;vol.19:1-6;vol.20:1-6;vol.21:1-12;vol.22:1-12;vol.23:1-12;vol.24:1-12,sup.S1;vol.25:1-12;vol.26:1-12;vol.27:1-12
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-6;vol.11:1-6;vol.12:1-6;vol.13:1-6;vol.14:1-6;vol.15:1-6;vol.16:1-6;vol.4:1-4;vol.5:1-4;vol.6:1-4;vol.7:1-6;vol.8:1-6;vol.9:1-6
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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 6); 2 (1 to 6); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (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 : 1 (1 to 6); 2 (1 to 6); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6)
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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 : 17 (1-6); 18 (1-6); 19 (1-6); 20 (1-6)
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