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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 16 (1 to 4); 18 (, 1, 2, 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 3, 4-5, 6); 22 (, 1 to 4, 5-6); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 3 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 3); 2000; 2002; 2003; 2004; 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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Internet Archive
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Preserved
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2025-08-08
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1 to 10
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.15:2-4;vol.16:1-4;vol.17:1-4;vol.18:1-4;vol.19:1-4;vol.20:1-4;vol.21:1-3,6,4-5;vol.22:1-4,5-6;vol.23:1-6;vol.24:1-6;vol.25:1-6;vol.26:1-6;vol.27:1-6;vol.28:1-6;vol.29:1-6;vol.30:1-6;vol.31:1-6;vol.32:1-6;vol.33:1-6;vol.34:1-6;vol.35:1-6;vol.36:1-6
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CLOCKSS Archive
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Preserved
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2026-02-09
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15 to 41
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 15(2-4), 2000: 16(1-4), 2001: 17(1-4), 2002: 18(1-4), 2003: 19(1-4), 2004: 20(1-4), 2005: 21(1-6), 2006: 22(1-6), 2007: 23(1-6), 2008: 24(1-6), 2009: 25(1-6), 2010: 26(1-6), 2011: 27(1-6), 2012: 28(1-6), 2013: 29(1-6), 2014: 30(1-6), 2015: 31(1-6), 2016: 32(1-6), 2017: 33(1-6), 2018: 34(1-6), 2019: 35(1-6), 2020: 36(1-6), 2021: 37(1-6), 2022: 38(1-6), 2023: 39(1-6), 2024: 40(1-6), 2025: 41(1-6), 2026: 42(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 : 2 (1 to 4); 3 (1 to 6); 4 (1 to 6); 15 (2 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 3, 4?5, 6); 22 (1 to 4, 5?6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 4)
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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 : 2 (1 to 4); 3 (1 to 6); 4 (1 to 6); 15 (2 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 3, 4?5, 6); 22 (1 to 4, 5?6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 5)
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