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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.11:1;vol.12:1;vol.13:1;vol.14:1;vol.15:1-2;vol.16:1-2;vol.17:1-2;vol.18:1-3;vol.19:1-3;vol.20:1-4;vol.21:1-4,sup.s1;vol.22:1-4;vol.23:1-4;vol.24:1-4
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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); 3 (, 1); 4 (, 1); 5 (, 1); 6 (, 1); 7 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1, 2); 16 (, 1, 2); 17 (, 1, 2); 18 (, 1 to 3); 19 (, 1 to 3); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2023; 2024
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 39
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Portico
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Preserved
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2026-02-12
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Preserved : 1987: 1, 1988: 2, 1989: 3, 1990: 4, 1991: 5, 1992: 6, 1993: 7, 1994: 8, 1995: 9, 1996: 10, 1997: 11, 1998: 12, 1999: 13, 2000: 14, 2001: 15(1-2), 2002: 16(1-2), 2003: 17(1-2), 2004: 18(1-3), 2005: 19(1-3), 2006: 20(1-4), 2007: 21(1, S 1, 2-4), 2008: 22(1-4), 2011: 23(1-4), 2011: 24(3-4), 2011: 25(1, 3-4), 2012: 26(1-2, 4), 2013: 27(1-4), 2014: 28(1, S 1, 2-4), 2015: 29(1-4), 2016: 30(1-4), 2017: 31(1-4), 2018: 32(1-4), 2019: 33(1-4), 2020: 34(1-4), 2021: 35(1-4), 2022: 36(1-4), 2023: 37(1-4), 2024: 38(1-4), 2025: 39(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1987: 1(1), 1988: 2(1), 1989: 3(1), 1990: 4(1), 1991: 5(1), 1992: 6(1), 1993: 7(1), 1994: 8(1), 1995: 9(1), 1996: 10(1), 1997: 11(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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5 to 23
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Library of Congress
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Preserved
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2025-04-07
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33 (1, 3, 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1, 2)
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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 : 8 (1); 20 (2-4); 21 (s1, 1-4)
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