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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.1:1-6;vol.2:1-6;vol.3:1-6;vol.4:1-6;vol.5:1-6;vol.6:1-6;vol.7:1-6
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Portico
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Preserved
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2026-02-12
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Preserved : 2014: 1(1-6), 2015: 2(1-6), 2016: 3(1-6), 2017: 4(1-6), 2018: 5(1-6), 2019: 6(1-6), 2020: 7(1-6), 2021: 8(1-6), 2022: 9(1-6), 2023: 10(1-6), 2024: 11(1-6), 2025: 12(1-6), 2026: 13(1)
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Library of Congress
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Preserved
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2025-04-07
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1 (1 to 6); 2 (1 to 6); 3 (1 to 4, 6); 4 (1, 2, 4, 6); 5 (1 to 6); 6 (1 to 6); 7 (2 to 5); 8 (2 to 6); 9 (1 to 6); 10 (4, 5); 11 (2); 12 (1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 12
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