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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 47 (1 to 12); 48 (, 1 to 12); 49 (, 1 to 12); 50 (, 1 to 12); 51 (, 1 to 12); 52 (, 1 to 12); 53 (, 1 to 12); 54 (, 1 to 9, 11, 12); 55 (, 1 to 12); 56 (, 1, 3 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1 to 6, 8 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 12); 66 (, 1 to 12); 67 (, 1 to 7); 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.47:1-12;vol.48:1-12;vol.49:1-12;vol.50:1-12;vol.51:1-12;vol.52:1-12;vol.53:1-12;vol.54:1-12;vol.55:1-12;vol.56:1-12;vol.57:1-12;vol.58:1-12;vol.59:1-12;vol.60:1-12;vol.61:1-12;vol.62:1-12
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CLOCKSS Archive
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Preserved
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2026-02-09
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47 to 68
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 54(1-12), 2013: 55(1-12), 2014: 56(1-12), 2015: 57(1-12), 2016: 58(1-12), 2017: 59(1-12), 2018: 60(1-12), 2019: 61(1-12), 2020: 62(1-12), 2021: 63(1-12), 2022: 64(1-12), 2023: 65(1-12), 2024: 66(1-12), 2025: 67(1-12), 2026: 68(1-2)
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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 : 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 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, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (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 : 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 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, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 48 (1-12); 49 (1-12)
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Library of Congress
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Preserved
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2025-04-07
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56 (1 to 12); 57 (1 to 12); 58 (1 to 12); 59 (1 to 5, 8 to 12); 60 (1 to 12); 61 (1, 3, 4, 6 to 12); 62 (1 to 12); 63 (1 to 12); 64 (1 to 12); 65 (6 to 10); 66 (3, 4)
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