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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 52 (1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 4, 6); 57 (, 1 to 6); 58 (, 1 to 6); 59 (, 1 to 6); 60 (, 1 to 6); 61 (, 1, 2, 4 to 6); 62 (, 1 to 6); 63 (, 1 to 6); 64 (, 1 to 6); 65 (, 1 to 7); 66 (, 1 to 8); 67 (, 1 to 8); 68 (, 1 to 8); 69 (, 1 to 4); 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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37 to 50
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.52:1-6,sup.s1,sup.s2;vol.53:1-6,sup.s1;vol.54:1-6,sup.s1;vol.55:1-6;vol.56:1-6,sup.S1;vol.57:1-6,sup.S1;vol.58:1-6,sup.S1;vol.59:1-6,sup.S1;vol.60:1-6,sup.S1;vol.61:1-6,sup.S1;vol.62:1-6,sup.S1,sup.S2;vol.63:1-6,sup.S1;vol.64:1-6
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CLOCKSS Archive
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Preserved
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2026-02-09
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52 to 70
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 56(1, S1, 2-6), 2013: 57(1, S1, 2-6), 2014: 58(1, S1, 2-6), 2015: 59(1, S1, 2-6), 2016: 60(1, S1, 2-6), 2017: 61(1, S1, 2-6), 2018: 62(1, S1, 2, S2, 3-6), 2019: 63(1, S1, 2-6), 2020: 64(1-6), 2021: 65(1, S1, 2-7), 2022: 66(1, S1, 2-8), 2023: 67(1, S1, 2-8), 2024: 68(1, S1, 2-8), 2025: 69(1, S1, 2, S2, 3-8), 2026: 70(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); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 6); 59 (, 1 to 6); 61 (, 1 to 6); 62 (S1, 1 to 6); 63 (S1, 1 to 6); 64 (1 to 6); 65 (S1, 1 to 7); 66 (S1, 1 to 8); 67 (S1, 1 to 8); 68 (S1, 1 to 5, 7, 8); 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); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 6); 59 (, 1 to 6); 61 (, 1 to 6); 62 (S2, 1 to 6); 63 (S1, 1 to 6); 64 (1 to 6); 65 (S1, 1 to 7); 66 (S1, 1 to 8); 67 (S1, 1 to 8); 68 (S1, 1 to 5, 7, 8); 69 (S1, 1 to 7)
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