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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 64 (1, 4); 65 (2, 3, 5, 6); 66 (5); 68 (4, 5); 69 (4); 70 (6); 71 (2, 4, 6); 72 (1, 5, 6); 73 (1 to 3, 5); 74 (S1, 2 to 4); 75 (2, 3); 76 (1, 2); 77 (1 to 3); 78 (S2, 1, 4); 79 (S2)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.64:1-6;vol.65:1-6;vol.66:1-6;vol.67:1-6;vol.68:1-6;vol.69:1-6;vol.70:1-6;vol.71:1-6;vol.72:1-6;vol.73:1-6,sup.S1;vol.74:1-6,sup.S1,sup.S2
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CLOCKSS Archive
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Preserved
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2026-04-13
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64 to 80
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Portico
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Preserved
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2026-04-16
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Preserved : 2010: 64(1-6), 2011: 65(1-6), 2012: 66(1-6), 2013: 67(1-6), 2014: 68(1-6), 2015: 69(1-6), 2016: 70(1-6), 2017: 71(1-6), 2018: 72(1-6), 2019: 73(1, S1, 2-6), 2020: 74(1, S1, 2, S2, 3-6), 2021: 75(1, S1, 2, S2, 3-6), 2022: 76(1, S1, 2, S2, 3-6), 2023: 77(1, S1, 2, S2, 3, S3, 4-6), 2024: 78(1, S1, 2, S2, 3, S3, 4-6), 2025: 79(1, S1, 2-6), 2026: 80(1)
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