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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 3); 2 (, 1 to 3); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 15 (, 1 to 3); 16 (, 1 to 3); 17 (, 1 to 3); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1‐2, 3, 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 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 4); 37 (, 1 to 4); 43 (, 1 to 4); 44 (, 1, 2, 4); 45 (, 1); 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; 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.17:1-3;vol.18:1-4;vol.19:1-4;vol.20:1-4;vol.21:1-4;vol.22:1-4;vol.23:1-4;vol.24:3-4,1-2;vol.25:1-4;vol.26:1-4;vol.27:1-4;vol.28:1-4;vol.29:1-4;vol.30:1-4;vol.31:1-4;vol.32:1-4;vol.33:1-4;vol.34:1-4;vol.35:1-4;vol.36:1-4;vol.37:1-4
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 1(1-3), 1982: 2(1-3), 1983: 3(1-3), 1984: 4(1-3), 1985: 5(1-3), 1986: 6(1-3), 1987: 7(1-3), 1988: 8(1-3), 1989: 9(1-3), 1990: 10(1-3), 1991: 11(1-3), 1992: 12(1-3), 1993: 13(1-3), 1994: 14(1-3), 1995: 15(1, S 1, 2-3), 1996: 16(1-3), 1997: 17(1-3), 1998: 18(1-4), 1999: 19(1, 3-4), 2000: 20(1-4), 2001: 21(1-4), 2002: 22(1-4), 2003: 23(1-4), 2004: 24(1-4), 2005: 25(1-4), 2006: 26(1-4), 2007: 27(1-4), 2008: 28(1-4), 2009: 29(1-4), 2010: 30(1-4), 2011: 31(1-4), 2012: 32(1-4), 2013: 33(1-4), 2014: 34(1-4), 2015: 35(1-4), 2016: 36(1-4), 2017: 37(1-4), 2018: 38(1-4), 2019: 39(1-4), 2020: 40(1-4), 2021: 41(1-4), 2022: 42(1-4), 2023: 43(1-4), 2024: 44(1-4), 2025: 45(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 1(1-3), 1982: 2(1-3), 1983: 3(1-3), 1984: 4(1-3), 1985: 5(1-3), 1986: 6(1-3), 1987: 7(1-3), 1988: 8(1-3), 1989: 9(1-3), 1990: 10(1-3), 1991: 11(1-3), 1992: 12(1-3), 1993: 13(1-3), 1994: 14(1-3), 1995: 15(1-3), 1996: 16(1-3), 1997: 17(1-3), 1998: 18(1-4), 1999: 19(1-4), 2000: 20(1-4), 2001: 21(1-4), 2002: 22(1-4), 2003: 23(1-4), 2004: 24(3-4), 2005: 25(1-4), 2006: 26(1-4), 2007: 27(1-4), 2008: 28(1-4), 2009: 29(1-4), 2010: 30(1-4), 2011: 31(1-4), 2012: 32(1-4), 2013: 33(1-4), 2014: 34(1-4), 2015: 35(1-4), 2016: 36(1-4), 2017: 37(1-4)
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CLOCKSS Archive
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Preserved
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2026-02-09
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11 to 37
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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 : 26 (1-4); 27 (1-4)
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Library of Congress
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Preserved
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2025-04-07
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39 (2 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1, 2)
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