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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.70:1-6;vol.71:1-6;vol.72:1-6;vol.73:1-6;vol.74:1-6;vol.75:1-6;vol.76:1-6
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Portico
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Preserved
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2026-04-02
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Preserved : 2014: 70(1-6), 2015: 71(1-6), 2016: 72(1-6), 2017: 73(1-6), 2018: 74(1-6), 2019: 75(1-6), 2020: 76(1-6), 2021: 77(1-6), 2022: 78(1-6), 2023: 79(1-6), 2024: 80(1-6), 2025: 81(1-6), 2026: 82(1-2)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 12); 46 (1 to 12); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 58 (1 to 3); 60 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1, 4 to 6); 65 (1, 3 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1, 4 to 6); 69 (1 to 6); 70 (1 to 6); 71 (1)
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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 : 70 (1-6); 71 (1-6); 72 (1-6); 73 (1-6); 74 (1-6); 75 (1-6)
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Library of Congress
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Preserved
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2025-04-07
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66 (3); 70 (1 to 6); 71 (1 to 3); 73 (5, 6); 74 (2 to 6); 75 (1, 2, 4, 5); 76 (1, 3, 4); 77 (1 to 6); 78 (2 to 6); 79 (1, 5, 6); 80 (3)
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