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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 14 (1 to 12); 15 (, 1 to 12); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1); 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.14:1-12,S2,S3,S6,S7,S8,sup.S9;vol.15:1-12,S1,sup.S9;vol.16:1-12,S1,S2,S3;vol.17:1-12,S1,S2,S3;vol.18:1-12,S1,S2;vol.19:1-12,S1;vol.20:1-12;vol.21:1-12,S1,sup.S2;vol.22:1-12,S1,S2;vol.23:1-12,sup.S1,sup.S2;vol.24:1-12;vol.25:1-12,sup.S1,sup.S2;vol.26:1-12,sup.S1,sup.S2,sup.S3;vol.27:1-12;vol.28:1-12,sup.S1,sup.S2;vol.29:1
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CLOCKSS Archive
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Preserved
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2026-02-09
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14 to 34
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 14(1-2, S 2, 3, S 3, 4-6, S 6, 7, S 7, 8, S 8, 9, S9, 10-12), 2007: 15(1, S 1, 2-9, S9, 10-12), 2008: 16(1, S 1, 2, S 2, 3, S 3, 4-12), 2009: 17(1, S 1, 2, S 2, 3, S 3, 4-12), 2010: 18(1, S 1, 2, S 2, 3-12), 2011: 19(1, S 1, 2-12), 2012: 20(1-12), 2013: 21(1, S 1, 2, S2, 3-12), 2014: 22(1, S 1, 2, S 2, 3-12), 2015: 23(1, S1, 2, S2, 3-12), 2016: 24(1-12), 2017: 25(1, S1, 2, S2, 3-12), 2018: 26(1, S1, 2, S2, 3, S3, 4-12), 2019: 27(1-12), 2020: 28(1, S1, 2, S2, 3-12), 2021: 29(1, S1, 2, S2, 3-12), 2022: 30(1, S1, 2-12), 2023: 31(1, S1, 2, S2, 3-12), 2024: 32(1, S1, 2-12), 2025: 33(1, S1, 2, S2, 3-12), 2026: 34(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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16 to 19
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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 : 2 (1 to 9, 11, 12); 3 (S1, 1 to 9, 11, 12); 14 (S2, 1 to 9, 11, 12); 15 (S1, 1 to 9, 11, 12); 16 (S1, 1 to 9, 11, 12); 17 (S1, 1 to 9, 11, 12); 18 (S1, 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 9, 11, 12); 24 (1 to 9, 11, 12); 25 (, 1 to 9, 11, 12); 26 (, 1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (S1, 1 to 9, 11, 12); 29 (S1, 1 to 9, 11, 12); 31 (S1, 1 to 9, 11, 12); 32 (S1, 1 to 9, 11, 12); 33 (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 : 2 (1 to 9, 11, 12); 3 (S1, 1 to 9, 11, 12); 14 (S2, 1 to 9, 11, 12); 15 (S1, 1 to 9, 11, 12); 16 (S1, 1 to 9, 11, 12); 17 (S1, 1 to 9, 11, 12); 18 (S1, 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 9, 11, 12); 24 (1 to 9, 11, 12); 25 (, 1 to 9, 11, 12); 26 (, 1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (S1, 1 to 9, 11, 12); 29 (S1, 1 to 9, 11, 12); 31 (S1, 1 to 9, 11, 12); 32 (S1, 1 to 9, 11, 12); 33 (1 to 9, 11)
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