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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 54 (s1, 1, 2, 3-4, 5, 6-7, 8, 9-10); 55 (1 to 7, 8-10); 56 (1 to 5, 6-7, 8, 9-10); 57 (s1, 1 to 6, 7-8); 58 (1 to 8); 59 (s1, 1 to 8); 60 (1 to 6); 61 (S1, 1 to 8); 62 (s1, 1 to 8); 63 (1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (1 to 8); 67 (S1, 1 to 8); 68 (1 to 8); 69 (1 to 8); 70 (1 to 8); 71 (1 to 8); 72 (1 to 8); 73 (1, 2)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.54:1-2,5-5,8,3-4,6-7,9-10,sup.s1;vol.55:1-7,8-10;vol.56:1-5,8,6-7,9-10;vol.57:1-6,7-8,sup.s1;vol.58:1-8;vol.59:1-8,sup.s1,sup.s2;vol.60:1-8;vol.61:1-8,sup.S1;vol.62:1-8,sup.s1;vol.63:1-8;vol.64:1-8;vol.65:1-8;vol.66:1-8;vol.67:1-8,sup.S1
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CLOCKSS Archive
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Preserved
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2026-04-06
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54 to 73
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Portico
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Preserved
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2026-04-02
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Preserved : 2012: 59(1-8), 2013: 60(1-8), 2014: 61(1, S1, 2-8), 2015: 62(1-8), 2016: 63(1-8), 2017: 64(1-8), 2018: 65(1-8), 2019: 66(1-8), 2020: 67(1, S1, 2-8), 2021: 68(1-8), 2022: 69(1-8), 2023: 70(1-8), 2024: 71(1-8), 2025: 72(1-8), 2026: 73(1-2)
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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 8); 7 (1 to 8); 54 (, 1, 2, 3?4, 5, 6?7, 8, 9?1); 55 (1 to 7, 8?1); 56 (1 to 5, 6?7, 8, 9?1); 57 (, 1 to 6, 7?8); 58 (1 to 8); 59 (, 1 to 8); 61 (, 1 to 8); 62 (, 1 to 8); 63 (1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (1 to 8); 67 (S1, 1 to 8); 68 (1 to 8); 69 (1 to 8); 71 (1 to 8); 72 (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 8); 7 (1 to 8); 54 (, 1, 2, 3?4, 5, 6?7, 8, 9?1); 55 (1 to 7, 8?1); 56 (1 to 5, 6?7, 8, 9?1); 57 (, 1 to 6, 7?8); 58 (1 to 8); 59 (, 1 to 8); 61 (, 1 to 8); 62 (, 1 to 8); 63 (1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (1 to 8); 67 (S1, 1 to 8); 68 (1 to 8); 69 (1 to 8); 71 (1 to 8); 72 (1 to 7)
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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 : 54 (s1, 1, 2, 3-4, 5, 6-7, 8, 9-10)
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