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Portico
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Preserved
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2026-02-12
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Preserved : 2020: 12(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2023: 15(9), 2024: 16(1-12), 2025: 17(1-12), 2026: 18(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 3(1-4), 2012: 4(1-4), 2013: 5(1-4), 2014: 6(1-4), 2015: 7(1-4), 2016: 8(1-4), 2017: 9(1-4), 2018: 10(1-4), 2019: 11(1-6), 2020: 12(1-6), 2021: 13(1, S1, 2-6), 2022: 14(1, S1, 2, S2, 3-6), 2023: 15(1-9)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 4 (2 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1-2, 3, 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 9); 16 (, 5 to 12); 17 (, 1 to 8); 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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12, 15 to 18
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Library of Congress
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Preserved
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2025-04-07
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2 (1, 2); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1-2, 3); 9 (3); 10 (1 to 4); 11 (1 to 5); 12 (1, 3 to 6); 13 (1 to 6, S1); 14 (1 to 6, S1, S2); 15 (4, 6 to 8)
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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.11:1-6;vol.12:1-6;vol.1:1-2;vol.2:1-2;vol.3:1-4;vol.4:1-4;vol.5:1-4;vol.6:1-4;vol.7:1-4;vol.8:3-4,1-2;vol.9:1-4
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CLOCKSS Archive
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Preserved
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2026-02-09
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1, 3 to 15
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