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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 55 (1, 2, 3-4, 5-6, 7, 8, 9-10); 56 (, 1-2, 3 to 5, 6-7, 8, 9-10); 57 (, 1-2, 3 to 6); 58 (, 1 to 6); 59 (, 1 to 6); 60 (, 1 to 6); 61 (, 1 to 6); 62 (, 1, 2, 4 to 6); 63 (, 1 to 6); 64 (, 1 to 6); 65 (, 1 to 6); 66 (, 1 to 6); 67 (, 1 to 6); 68 (, 1 to 6); 69 (, 1 to 6); 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022
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CLOCKSS Archive
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In Progress
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2026-02-09
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2023
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LOCKSS Archive
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Preserved
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2026-02-09
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2023
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Portico
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Preserved
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2026-02-12
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Preserved : 2023: 2023, 2024: 2024, 2025: 2025, 2026: 2026
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.55:1-2,7-8,3-4,5-6,9-10;vol.56:3-5,8,1-2,6-7,9-10;vol.57:3-6,1-2;vol.58:1-6;vol.59:1-6,sup.s1;vol.60:1-6,sup.s1,sup.s2;vol.61:1-6,sup.s1;vol.62:1-6;vol.63:1-6,sup.S1;vol.64:1-6;vol.65:1-6,sup.S1;vol.66:1-6;vol.67:1-6,sup.S1,sup.S2
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CLOCKSS Archive
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Preserved
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2026-02-09
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55 to 69
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 59(1-6), 2013: 60(1-6), 2014: 61(1-6), 2015: 62(1-6), 2016: 63(1, S1, 2-6), 2017: 64(1-6), 2018: 65(1, S1, 2-6), 2019: 66(1-6), 2020: 67(1, S1, 2, S2, 3-6), 2021: 68(1-6), 2022: 69(1-6), 2025: 2025(1), 2026: 2026(1)
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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 : 6 (, 1 to 6); 55 (1, 2, 3?4, 5?6, 7, 8, 9?1); 56 (1?2, 3 to 5, 6?7, 8, 9?1); 57 (1?2, 3 to 6); 58 (1 to 6); 59 (, 1 to 6); 61 (, 1 to 6); 62 (1 to 6); 63 (, 1 to 6); 64 (1 to 6); 65 (, 1 to 6); 66 (1 to 6); 67 (S1, 1 to 6); 68 (1 to 6); 69 (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 : 6 (, 1 to 6); 55 (1, 2, 3?4, 5?6, 7, 8, 9?1); 56 (1?2, 3 to 5, 6?7, 8, 9?1); 57 (1?2, 3 to 6); 58 (1 to 6); 59 (, 1 to 6); 61 (, 1 to 6); 62 (1 to 6); 63 (, 1 to 6); 64 (1 to 6); 65 (, 1 to 6); 66 (1 to 6); 67 (S1, 1 to 6); 68 (1 to 6); 69 (1 to 6)
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