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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 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1‐2, 3, 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 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 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 6); 27 (, 1 to 6); 35 (, 5, 6); 36 (, 1 to 3); 43 (, 3 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 4, 5-6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 3); 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 2004; 2005; 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.28:1-6;vol.29:1-6;vol.30:1-6;vol.31:1-6;vol.32:1-4,5-6;vol.33:1-6;vol.34:1-4,5-6;vol.35:1-6;vol.36:1-4,5-6;vol.37:1-6;vol.38:1-6;vol.39:1-6;vol.40:1-6;vol.41:1-6;vol.42:1-6;vol.43:1-6;vol.44:1-6;vol.45:1-6;vol.46:1-6;vol.47:1-6;vol.48:1-6;vol.49:1-6;vol.50:1-6;vol.51:1-6
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Portico
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Preserved
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2026-02-12
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Preserved : 1969/1970: 1(1-4), 1971: 2(1-4), 1972: 3(1-4), 1973/1974: 4(1-4), 1974/1975: 5(1-4), 1975: 6(1-4), 1976/1977: 7(1-4), 1977: 8(1-4), 1978: 9(1-4), 1979/1980: 10(1-4), 1980: 11(1-4), 1981: 12(1-4), 1982: 13(1-4), 1983: 14(1-4), 1984: 15(1-4), 1985: 16(1-4), 1986: 17(1-4), 1987: 18(1-4), 1988: 19(1-4), 1989: 20(1-4), 1990: 21(1-4), 1991: 22(1-4), 1992: 23(1-4), 1993: 24(1-4), 1994: 25(1-4), 1995/1996: 26(1-6), 1996: 27(1-6), 1997: 28(1-6), 1998: 29(1-6), 1999: 30(1-6), 2000: 31(1-6), 2001: 32(1-4), 2002: 33(1-6), 2003: 34(1-4), 2004: 35(1-6), 2005: 36(1-4), 2006: 37(1-6), 2007: 38(1-6), 2008: 39(1-6), 2009: 40(1-6), 2010: 41(1-6), 2011: 42(1-6), 2012: 43(1-6), 2013: 44(1-6), 2014: 45(1-6), 2015: 46(1-6), 2016: 47(1-6), 2017: 48(1-6), 2018: 49(1-6), 2019: 50(1-6), 2020: 51(1-6), 2021: 52(1-6), 2022: 53(1-6), 2023: 54(1-6), 2024: 55(1-6), 2025: 56(1-6), 2026: 57(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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22 to 56
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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 : 37 (1-6); 38 (1-6)
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Library of Congress
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Preserved
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2025-04-07
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44 (1); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (4, 6); 49 (1 to 3, 5, 6); 50 (2 to 4, 6); 51 (1 to 3, 5); 52 (1, 3 to 5-6); 53 (1 to 6); 54 (4, 5); 55 (2)
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