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Internet Archive
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Preserved
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2025-08-08
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1 to 9
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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, 2); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 7); 17 (, 1 to 7); 18 (, 1 to 7); 19 (, 1 to 7); 20 (, 1 to 7); 21 (, 1 to 7); 22 (, 3 to 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 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 5, 7 to 12); 35 (, 1 to 6); 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 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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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-6;vol.11:1-6;vol.12:1-6;vol.13:1-6,S1;vol.14:1-6,S1;vol.15:1-6,S1;vol.16:1-7;vol.17:1-7,S1;vol.18:1-7,S1;vol.19:1-7,S1;vol.20:1-7,S1;vol.21:1-7;vol.22:1-6;vol.23:1-6;vol.24:1-6,S1,S2;vol.25:1-6;vol.26:1-6,sup.S1,sup.S2;vol.27:1-6,sup.S1;vol.28:1-6;vol.29:1-12,sup.S1,sup.S2;vol.30:1-12;vol.7:1-4;vol.8:1-6;vol.9:1-6
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 36
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 1(1-2), 1992: 2(1-4), 1993: 3(1-4), 1994: 4(1-4), 1995: 5(1-4), 1996: 6(1-4), 1997: 7(1-4), 1998: 8(1-6), 1999: 9(1-6), 2000: 10(1-6), 2001: 11(1-6), 2002: 12(1-6), 2003: 13(1, S 1, 2-6), 2004: 14(1, S 1, 2-6), 2005: 15(1, S 1, 2-6), 2006: 16(1-7), 2007: 17(1, S 1, 2-7), 2008: 18(1, S 1, 2-7), 2009: 19(1, S 1, 2-7), 2010: 20(1, S 1, 2-6), 2011: 21(1-6), 2012: 22(1-6), 2013: 23(1-6), 2014: 24(1, S 1, 2, S 2, 3-6), 2015: 25(1-6), 2016: 26(1, S1, 2, S2, 3-6), 2017: 27(1, S1, 2-6), 2018: 28(1-6), 2019: 29(1, S1, 2, S2, 3-12), 2020: 30(1-12), 2021: 31(1, S1, 2-12), 2022: 32(1-12), 2023: 33(1-12), 2024: 34(1-12), 2025: 35(1-12), 2026: 36(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 : 1 (1 to 6); 2 (S1, 1 to 7); 3 (1 to 9, 11, 12); 6 (1 to 4); 7 (1 to 4); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (S1, 1 to 6); 14 (S1, 1 to 6); 15 (S1, 1 to 6); 16 (1 to 7); 17 (S1, 1 to 7); 18 (S1, 1 to 7); 19 (S1, 1 to 7); 21 (1 to 7); 22 (1 to 6); 23 (1 to 6); 24 (S1, 1 to 5); 25 (1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (1 to 6); 29 (S1, 1 to 9, 11, 12); 31 (S1, 1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 12); 34 (1 to 9, 11, 12); 35 (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 6); 2 (S1, 1 to 7); 3 (1 to 9, 11, 12); 6 (1 to 4); 7 (1 to 4); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (S1, 1 to 6); 14 (S1, 1 to 6); 15 (S1, 1 to 6); 16 (1 to 7); 17 (S1, 1 to 7); 18 (S1, 1 to 7); 19 (S1, 1 to 7); 21 (1 to 7); 22 (1 to 6); 23 (1 to 6); 24 (S1, 1 to 5); 25 (1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (1 to 6); 29 (S1, 1 to 9, 11, 12); 31 (S1, 1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 12); 34 (1 to 9, 11, 12); 35 (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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18 (5); 21 (1 to 7); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6, S1, S2); 25 (1 to 6); 26 (1 to 6, S1, S2); 27 (2 to 6, S1); 28 (1 to 6); 29 (1 to 3, 5 to 9, 12, S1, S2); 30 (1, 2, 4 to 7, 9, 10); 31 (1, 3 to 12, S1); 32 (1 to 12); 33 (1, 8 to 11); 34 (1, 3, 4)
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