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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 6); 6 (, 1 to 6); 7 (, 1 to 6); 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 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 5); 22 (, 1 to 5); 23 (, 1 to 5); 24 (, 1 to 5); 25 (, 1 to 5); 26 (, 1 to 5); 27 (, 1 to 5); 29 (, 5); 30 (, 1 to 5); 31 (, 1, 2, 4, 5); 32 (, 1 to 5); 33 (, 1 to 5); 34 (, 1 to 5); 35 (, 1 to 5); 36 (, 1 to 5); 37 (, 1 to 5); 38 (, 1 to 10); 39 (, 1 to 10); 40 (, 1 to 10); 41 (, 1 to 10); 42 (, 1 to 10); 43 (, 1 to 10); 44 (, 1, 5 to 10); 45 (, 1 to 10); 46 (, 1 to 10); 47 (, 1 to 10); 48 (, 1 to 10); 49 (, 1 to 10); 50 (, 1 to 10); 51 (, 1 to 5, 7 to 10); 52 (, 1 to 10); 53 (, 1 to 10); 54 (, 1 to 10); 55 (, 1 to 10); 56 (, 1 to 10); 57 (, 1 to 6); 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 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.20:1-4;vol.21:1-5,S9;vol.22:1-5,S10;vol.23:1-5;vol.24:1-5,S11;vol.25:1-5;vol.26:1-5,S12;vol.27:1-5;vol.28:1-5,S13;vol.29:1-5;vol.30:1-5,S14;vol.31:1-5;vol.32:1-5,S15;vol.33:1-5;vol.34:1-5,S16;vol.35:1-5;vol.36:1-5,S17;vol.37:1-5;vol.38:1-10,S18;vol.39:1-10,S19;vol.40:1-10,S20;vol.41:1-10,S21;vol.42:1-10,S22;vol.43:1-10,S23;vol.44:1-10,S24;vol.45:1-10,S25;vol.46:1-10,S25;vol.47:1-10,S26;vol.48:1-10,S27;vol.49:1-10,S28;vol.50:1-10,S29;vol.51:1-10,S30,S31;vol.52:1-10,sup.S32
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Portico
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Preserved
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2026-02-12
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Preserved : 1980/1981: 1(1-4), 1982/1983: 2(1-4), 1983/1984: 3(1-4), 1984: 4(1-4), 1985: 5(1-6), 1986/1987: 6(1-6), 1987: 7(1-6), 1988: 8(1-6), 1989: 9(1, S 1, 2-6), 1990: 10(1-2, S 2, 3-6), 1991: 11(1-3, S 3, 4-6), 1992: 12(1-4, S 4, 5-6), 1993: 13(1-5, S 5, 6), 1994: 14(1-4), 1994: 15(1-4, S 6), 1995: 16(1-4), 1995: 17(1-4, S 7), 1996: 18(1-4, S 8), 1996: 19(1-4), 1997: 20(1-4), 1997: 21(1-5, S 9), 1998: 22(1-5, S 10), 1998: 23(1-5), 1999: 24(1-5, S 11), 1999: 25(1-5), 2000: 26(1-5, S 12), 2000: 27(1-5), 2001: 28(1-5, S 13), 2001: 29(1-5), 2002: 30(1-5, S 14), 2002: 31(1-5), 2003: 32(1-5, S 15), 2003: 33(1-5), 2004: 34(1-5, S 16), 2004: 35(1-5), 2005: 36(1-5, S 17), 2005: 37(1-5), 2006: 38(1-10, S 18), 2007: 39(1-10, S 19), 2008: 40(1-10, S 20), 2009: 41(1-10, S 21), 2010: 42(1-10, S 22), 2011: 43(1-10), 2012: 44(1-10, S 24), 2013: 45(1-10, S 25), 2014: 46(1-10, S 25), 2015: 47(1-10, S 26), 2016: 48(1-10, S 27), 2017: 49(1-10, S 28), 2018: 50(1-10, S 29), 2019: 51(1-10, S 30, S 31), 2020: 52(1-10, S32), 2021: 53(1-10, S33), 2022: 54(1-10, S34), 2023: 55(1-10, S35), 2024: 56(1-10, S36), 2025: 57(1-10, S37), 2026: 58(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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2, 11 to 58
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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 (S14, 1 to 5); 4 (S2, 1 to 9); 5 (S29, 1 to 9); 18 (S8, 1 to 4); 19 (1 to 4); 21 (S9, 1 to 5); 22 (S1, 1 to 5); 23 (1 to 5); 24 (S11, 1 to 5); 25 (1 to 5); 26 (S12, 1 to 5); 27 (1 to 5); 28 (S13, 1 to 5); 29 (1 to 5); 31 (1 to 5); 32 (S15, 1 to 5); 33 (1 to 5); 34 (S16, 1 to 5); 35 (1 to 5); 36 (S17, 1 to 5); 37 (1 to 5); 38 (S18, 1 to 9); 39 (S19, 1 to 9); 41 (S21, 1 to 9); 42 (S22, 1 to 9); 43 (S23, 1 to 9); 44 (S24, 1 to 9); 45 (S25, 1 to 9); 46 (S25, 1 to 9); 47 (S26, 1 to 9); 48 (S27, 1 to 9); 49 (S28, 1 to 9); 51 (S3, 1 to 9); 52 (S32, 1 to 9); 53 (S33, 1 to 9); 54 (S34, 1 to 9); 55 (S35, 1 to 9); 56 (S36, 1 to 3, 5 to 7, 9); 57 (S37, 1 to 3, 5 to 7)
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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 (S14, 1 to 5); 4 (S2, 1 to 9); 5 (S29, 1 to 9); 18 (S8, 1 to 4); 19 (1 to 4); 21 (S9, 1 to 5); 22 (S1, 1 to 5); 23 (1 to 5); 24 (S11, 1 to 5); 25 (1 to 5); 26 (S12, 1 to 5); 27 (1 to 5); 28 (S13, 1 to 5); 29 (1 to 5); 31 (1 to 5); 32 (S15, 1 to 5); 33 (1 to 5); 34 (S16, 1 to 5); 35 (1 to 5); 36 (S17, 1 to 5); 37 (1 to 5); 38 (S18, 1 to 9); 39 (S19, 1 to 9); 41 (S21, 1 to 9); 42 (S22, 1 to 9); 43 (S23, 1 to 9); 44 (S24, 1 to 9); 45 (S25, 1 to 9); 46 (S25, 1 to 9); 47 (S26, 1 to 9); 48 (S27, 1 to 9); 49 (S28, 1 to 9); 51 (S3, 1 to 9); 52 (S32, 1 to 9); 53 (S33, 1 to 9); 54 (S34, 1 to 9); 55 (S35, 1 to 9); 56 (S36, 1 to 3, 5 to 7, 9); 57 (S37, 1 to 3, 5 to 7, 9)
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