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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.35:1-6;vol.36:1-4,7-9,12,10-11,5-6;vol.37:1-3,6-12,4-5;vol.38:1-4,7-12,5-6;vol.39:1-12;vol.40:1-12;vol.41:1-12;vol.42:1-12;vol.43:1-12;vol.44:1-12;vol.45:1-12;vol.46:1-12;vol.47:1-12;vol.48:1-4,9-12,5-6,7-8;vol.49:1
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 39 (2, 7); 40 (, 5 to 12); 41 (, 1 to 12); 42 (, 1 to 12); 43 (, 1 to 12); 44 (, 1 to 12); 45 (, 1 to 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 1 to 4, 5-6, 7-8, 9 to 12); 49 (, 1 to 6, 8 to 12); 50 (, 1 to 12); 51 (, 1 to 12); 52 (, 1 to 12); 53 (, 1 to 6); 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 35(1-6), 2008: 36(1-12), 2009: 37(1-12), 2010: 38(1-12), 2011: 39(1-12), 2012: 40(1-12), 2013: 41(1-12), 2014: 42(1-12), 2015: 43(1-12), 2016: 44(1-12), 2017: 45(1-12), 2018: 46(1-12), 2019: 47(1-12), 2020: 48(1-12), 2021: 49(1-12), 2022: 50(1-12), 2023: 51(1-12), 2024: 52(1-12), 2025: 53(1-4, 6-12), 2026: 54(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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35 to 54
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 35 (1 to 6); 36 (1 to 4, 5?6, 7 to 9, 12); 37 (1 to 3, 4?5, 6 to 9, 11, 12); 38 (1 to 4, 5?6, 7 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 4, 5-6, 7-8, 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 35 (1 to 6); 36 (1 to 4, 5?6, 7 to 9, 12); 37 (1 to 3, 4?5, 6 to 9, 11, 12); 38 (1 to 4, 5?6, 7 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 4, 5-6, 7-8, 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9)
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Library of Congress
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Preserved
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2025-04-07
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39 (7); 40 (10); 41 (8 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 9, 11, 12); 45 (1 to 4, 6, 9); 46 (2, 3, 5, 7 to 9, 12); 47 (1 to 3, 7 to 9, 11, 12); 48 (1 to 4, 7-8, 9 to 12); 49 (1 to 12); 50 (1 to 12); 51 (8 to 10); 52 (3, 4); 53 (1)
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