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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 (, 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 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 7); 1990; 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,sup.s1;vol.12:1-6;vol.13:1-6;vol.14:1-6;vol.15:1-6;vol.16:1-6;vol.17:1-6,S2;vol.18:1-6,sup.s3;vol.19:1-12;vol.20:1-12,sup.s4;vol.21:1-12;vol.22:1-12;vol.23:1-12,sup.s5,sup.s6,sup.s7;vol.24:1-12,sup.A100,sup.s8,sup.s9;vol.25:1-12,sup.s10;vol.26:1-12,sup.S11,sup.S12;vol.27:1-12,sup.S13;vol.28:1-12,sup.S14;vol.29:1-12,sup.S15,sup.S16,sup.S17,sup.S18;vol.30:1-12,sup.S19;vol.31:1-12,sup.S20;vol.32:1;vol.8:1-6;vol.9:1-6
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 1(1), 1991: 2(1-4), 1992: 3(1-4), 1993: 4(1-4), 1994: 5(1-4), 1995: 6(1-4), 1996: 7(1-4), 1997: 8(1-6), 1998: 9(1-6), 1999: 10(1-6), 2000: 11(1-6), 2001: 12(1-6), 2002: 13(1-6), 2003: 14(1-6), 2004: 15(1-6), 2005: 16(1-6), 2006: 17(1-6), 2007: 18(1-6), 2008: 19(1-12), 2009: 20(1-12), 2010: 21(1-12), 2011: 22(1-12), 2012: 23(1-12), 2013: 24(1-12, A100), 2014: 25(1-12), 2015: 26(1-11, S11, 12, S12), 2016: 27(1-12, S13), 2017: 28(1-12, S14), 2018: 29(1-12, S15, S16, S17, S18), 2019: 30(1-12, S19), 2020: 31(1-12, S20), 2021: 32(1-12, S21, S22), 2022: 33(1-12, S23, S24), 2023: 34(1-12, S25, S26, S27), 2024: 35(1-12, S28), 2025: 36(1-12, S29), 2026: 37(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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2 to 37
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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 (, 1 to 9, 11, 12); 3 (S19, 1 to 9, 11, 12); 8 (1 to 6); 9 (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 6); 17 (S2, 1 to 6); 18 (, 1 to 6); 19 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (, 1 to 9, 11, 12); 24 (, 1 to 9, 11, 12); 25 (, 1 to 9, 11, 12); 26 (, 1 to 9, 11, 12); 27 (, 1 to 9, 11, 12); 28 (, 1 to 9, 11, 12); 29 (, 1 to 9, 11, 12); 31 (S2, 1 to 9, 11, 12); 32 (S21, 1 to 9, 11, 12); 33 (S23, 1 to 9, 11, 12); 34 (S25, 1 to 9, 11, 12); 35 (S28, 1, 2, 4 to 6, 8, 9, 11, 12); 36 (S29, 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 : 1 (1 to 6); 2 (, 1 to 9, 11, 12); 3 (S19, 1 to 9, 11, 12); 8 (1 to 6); 9 (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 6); 17 (S2, 1 to 6); 18 (, 1 to 6); 19 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (, 1 to 9, 11, 12); 24 (, 1 to 9, 11, 12); 25 (, 1 to 9, 11, 12); 26 (, 1 to 9, 11, 12); 27 (, 1 to 9, 11, 12); 28 (, 1 to 9, 11, 12); 29 (, 1 to 9, 11, 12); 31 (S2, 1 to 9, 11, 12); 32 (S21, 1 to 9, 11, 12); 33 (S23, 1 to 9, 11, 12); 34 (S25, 1 to 9, 11, 12); 35 (S28, 1, 2, 4 to 6, 8, 9, 11, 12); 36 (S29, 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 : 17 (S2, 1-6); 18 (s3, 1-6)
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