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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 3); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1, 3, 4); 5 (, 1 to 4); 6 (, 1 to 4); 2009; 2010; 2011; 2012; 2013; 2014
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 4(1, S1, 2-4), 2013: 5(1, S1, 2-4), 2014: 6(1-4), 2015: 7(1, S1, 2-4), 2016: 8(1-4), 2017: 9(1-4), 2018: 10(1-4), 2019: 11(1-4), 2020: 12(1-4), 2021: 13(1, S1, 2-4), 2022: 14(1-4), 2023: 15(1-4), 2024: 16(1-4), 2025: 17(1-4), 2026: 18(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 17
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-4;vol.11:1-4;vol.12:1-4;vol.1:1-3;vol.2:1-4;vol.3:1-4;vol.4:1-4,sup.S1;vol.5:1-4,sup.S1;vol.6:1-4;vol.7:1-4,sup.S1;vol.8:1-4;vol.9:1-4
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Library of Congress
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Preserved
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2025-04-07
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4 (2); 6 (1 to 4); 7 (1 to 4, S1); 8 (1 to 4); 9 (1, 2); 10 (2 to 4); 11 (1 to 3); 12 (1 to 3); 13 (1 to 4, S1); 14 (1 to 4); 15 (2-3, 4); 16 (1)
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