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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 6); 2 (, 1 to 6); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 2008; 2009; 2010; 2011; 2012; 2013; 2014
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-12;vol.11:1-12;vol.12:1-12;vol.13:1-12;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;vol.8:1-6;vol.9:1-12
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 19
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 5(1-6), 2013: 6(1-6), 2014: 7(1-6), 2015: 8(1-6), 2016: 9(1-12), 2017: 10(1-12), 2018: 11(1-12), 2019: 12(1-12), 2020: 13(1-12), 2021: 14(1-12), 2022: 15(1-12), 2023: 16(1-12), 2024: 17(1-12), 2025: 18(1-12), 2026: 19(1)
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Library of Congress
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Preserved
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2025-04-07
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6; 7 (2, 5, 6); 8 (1 to 6); 9 (1 to 9, 11, 12); 10 (1, 2, 4, 5, 8 to 11); 11 (2, 3, 5 to 8, 10, 12); 12 (1 to 5, 7 to 9, 11, 12); 13 (1, 2, 4 to 7, 10 to 12); 14 (1, 2, 5 to 12); 15 (1 to 12); 16 (1, 7 to 10); 17 (3, 4)
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