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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 2 (1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1, 2, 3-4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 2 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 5); 37 (, 1 to 5); 38 (, 1 to 5); 39 (, 1 to 5); 40 (, 1 to 5); 41 (, 1 to 5); 42 (, 1 to 6); 43 (, 1 to 3); 1984; 1997; 1998; 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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Internet Archive
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Preserved
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2025-08-08
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1 to 28
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.15:1-4;vol.16:1-4;vol.17:1-4;vol.18:1-4;vol.19:1-4;vol.20:1-4;vol.21:1-4;vol.22:1-4;vol.23:1-2,3-4;vol.24:1-4;vol.25:1-4;vol.26:1-4;vol.27:1-4,S1;vol.28:1-4;vol.29:1-4;vol.30:1-4;vol.31:1-4,S1;vol.32:1-4;vol.33:1-4,sup.S1;vol.34:1-4;vol.35:1-4,sup.S1,sup.S2;vol.36:1-5;vol.37:1-5,sup.S1,sup.S2;vol.38:1-5
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Portico
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Preserved
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2026-02-12
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Preserved : 1983: 1(1-4), 1984: 2(1-4), 1985: 3(1-4), 1986: 4(1-4), 1987: 5(1-4), 1988: 6(1-4), 1989: 7(1-6), 1990: 8(1-6), 1991: 9(1-6), 1992: 10(1-6), 1993: 11(1-4), 1994: 12(1-4), 1995: 13(1-4), 1996: 14(1-4), 1997: 15(1-4), 1998: 16(1-4), 1999: 17(1-4), 2000: 18(1-4), 2001: 19(1-4), 2002: 20(1-4), 2003: 21(1-4), 2004: 22(1-4), 2005: 23(1-4), 2006: 24(1-4), 2007: 25(1-4), 2008: 26(1-4), 2009: 27(1, S 1, 2-4), 2010: 28(1-4), 2011: 29(1-4), 2012: 30(1-4), 2013: 31(1, S 1, 2-4), 2014: 32(1-4), 2015: 33(1, S1, 2-4), 2016: 34(1-4), 2017: 35(1, S1, 2, S2, 3-4), 2018: 36(1-5), 2019: 37(1, S1, 2, S2, 3-5), 2020: 38(1-5), 2021: 39(1, S1, 2, S2, 3-5), 2022: 40(1, S1, 2-5), 2023: 41(1, S1, 2, S2, 3-5), 2024: 42(1-6), 2025: 43(1, S1, S 1, 2, S2, 3, S3, 4-6), 2026: 44(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, 9 to 44
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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 4); 4 (S1, 1 to 5); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1, 2, 3?4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (S1, 1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (S1, 1 to 4); 32 (1 to 4); 33 (, 1 to 4); 34 (1 to 4); 35 (, 1 to 4); 36 (1 to 5); 37 (S1, 1 to 5); 38 (1 to 5); 39 (S1, 1 to 5); 41 (S2, 1 to 5); 42 (1 to 6); 43 (S1, 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 4); 4 (S1, 1 to 5); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1, 2, 3?4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (S1, 1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (S1, 1 to 4); 32 (1 to 4); 33 (, 1 to 4); 34 (1 to 4); 35 (, 1 to 4); 36 (1 to 5); 37 (S2, 1 to 5); 38 (1 to 5); 39 (S1, 1 to 5); 41 (S2, 1 to 5); 42 (1 to 6); 43 (S1, 1 to 5)
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