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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 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1, 2, 3pt1, 4pt1, 5, 6); 10 (, 1 to 8); 11 (, 1 to 8); 12 (, 1, 2, 3pt1, 4pt1, 5 to 8); 13 (, 1 to 8); 14 (, 1 to 8); 15 (, 1 to 8); 16 (, 1 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (, 1 to 8); 20 (, 1 to 8); 21 (, 1 to 8); 22 (, 1 to 8); 23 (, 1 to 8); 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022
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CLOCKSS Archive
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In Progress
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2026-02-09
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2023
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LOCKSS Archive
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Preserved
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2026-02-09
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2023
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Portico
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Preserved
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2026-02-12
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Preserved : 2023: 2023, 2024: 2024, 2025: 2025, 2026: 2026
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-8,sup.s11,sup.s12,sup.s13;vol.11:1-8,sup.s14;vol.12:1-2,5-8,3pt1,3pt2,4pt1,4pt2,sup.s15;vol.13:1-8,sup.s16,sup.s17;vol.14:1-8,s18;vol.15:1-8,S20,sup.s19;vol.16:1-8,sup.S21;vol.17:1-8,sup.S22,sup.S23,sup.S24;vol.18:1-8,sup.S25;vol.19:1-8,sup.S26,sup.S27;vol.1:1-4;vol.20:1-8,S28;vol.21:1-8;vol.2:1-4;vol.3:1-4;vol.4:1-4;vol.5:1-4,sup.s1,sup.s2;vol.6:1-4,sup.s3;vol.7:1-6,sup.s4,sup.s5;vol.8:1-6,sup.s6,sup.s7,sup.s8,sup.s9;vol.9:1-2,5-6,3pt1,3pt2,4pt1,4pt2,sup.s10
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 23
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 13(1-8, s16-s17), 2013: 14(1-8, S 18), 2014: 15(1-8, s19, S 20), 2015: 16(1-8, S21), 2016: 17(1-8, S22, S23, S24), 2017: 18(1-8, S25), 2018: 19(1-8, S26, S27), 2019: 20(1-8, S 28), 2020: 21(1-8), 2021: 22(1-8, S29, S30), 2022: 23(1-8, S31), 2025: 2025(1), 2026: 2026(1)
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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 : 1 (, 1 to 8); 2 (S28, 1 to 8); 3 (1 to 4); 4 (1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1, 2, 3pt1, 4pt1, 5, 6); 11 (, 1 to 8); 12 (, 1, 2, 3pt1, 4pt2, 5 to 8); 13 (, 1 to 8); 14 (s18, 1 to 8); 15 (S2, 1 to 8); 16 (, 1 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (S26, 1 to 8); 21 (1 to 8); 22 (S29, 1 to 8); 23 (S31, 1 to 8)
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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 : 1 (, 1 to 8); 2 (S28, 1 to 8); 3 (1 to 4); 4 (1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1, 2, 3pt1, 4pt1, 5, 6); 11 (, 1 to 8); 12 (, 1, 2, 3pt2, 4pt1, 5 to 8); 13 (, 1 to 8); 14 (s18, 1 to 8); 15 (S2, 1 to 8); 16 (, 1 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (S26, 1 to 8); 21 (1 to 8); 22 (S29, 1 to 8); 23 (S31, 1 to 8)
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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 : 7 (s4, 1-6); 8 (s6, 1-5)
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