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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 33 (1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 12); 49 (, 1 to 12); 50 (, 1 to 12); 51 (, 2 to 12); 52 (, 1 to 12); 53 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1 to 12); 58 (, 1 to 5, 7 to 12); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1, 2, 6 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 12); 66 (, 1 to 10, 12); 67 (, 1 to 12); 68 (, 1 to 12); 69 (, 1 to 12); 70 (, 1 to 12); 71 (, 1 to 12); 72 (, 1 to 12); 73 (, 1 to 12); 74 (, 1 to 7); 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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CLOCKSS Archive
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Preserved
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2026-02-09
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24 to 75
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 24(1-4), 1991: 25(1-4), 1991: 26(1-4), 1992: 27(1-4), 1992: 28(1-4), 1992: 29(1-4), 1993: 30(1-4), 1993: 31(1-4), 1993: 32(1-4), 1994: 33(1-4), 1994: 34(1-4), 1994: 35(1-4), 1995: 36(1-4), 1995: 37(1-4), 1995: 38(1-4), 1996: 39(1-4), 1996: 40(1-4), 1996: 41(1-4), 1997: 42(1-4), 1997: 43(1-4), 1997: 44(1-4), 1998: 45(1-4), 1998: 46(1-4), 1998: 47(1-4), 1999: 48(1-12), 2000: 49(1-12), 2001: 50(1-12), 2002: 51(1-12), 2003: 52(1-12), 2004: 53(1-12), 2005: 54(1-12), 2006: 55(1-12), 2007: 56(1-12), 2008: 57(1-12), 2009: 58(1-12), 2010: 59(1-12), 2011: 60(1-12), 2012: 61(1-12), 2013: 62(1-12), 2014: 63(1-12), 2015: 64(1-12), 2016: 65(1-12), 2017: 66(1-12), 2018: 67(1-12), 2019: 68(1-12), 2020: 69(1-12), 2021: 70(1-12), 2022: 71(1-12), 2023: 72(1-12), 2024: 73(1-12), 2025: 74(1-12), 2026: 75(1-3)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.42:1-4;vol.43:1-4;vol.44:1-4;vol.45:1-4;vol.46:1-4;vol.47:1-4;vol.48:1-12;vol.49:1-12;vol.50:1-12;vol.51:1-12;vol.52:1-12;vol.53:1-12;vol.54:1-12;vol.55:1-12;vol.56:1-12;vol.57:1-12;vol.58:1-12;vol.59:1-12;vol.60:1-12;vol.61:1-12;vol.62:1-12;vol.63:1-12;vol.64:1-12;vol.65:1-12;vol.66:1-12;vol.67:1-12;vol.68:1-12;vol.69:1-12;vol.70:1-2
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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 : 4 (1 to 4); 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 7 (1 to 9, 11, 12); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1, 2, 4, 5, 7, 8, 11, 12); 74 (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 : 4 (1 to 4); 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 7 (1 to 9, 11, 12); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1, 2, 4, 5, 7, 8, 11, 12); 74 (1 to 9, 11)
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