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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1‐4); 2 (, 1‐4); 3 (, 1 to 4); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 12); 8 (, 1 to 12); 9 (, 1 to 12); 10 (, 1 to 12); 11 (, 1 to 12); 12 (, 1 to 12); 13 (, 1 to 12); 14 (, 1 to 12); 15 (, 1 to 12); 16 (, 1‐12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1‐12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 42 (, 1 to 12); 43 (, 1 to 12); 44 (, 1 to 12); 45 (, 1 to 12); 46 (, 1 to 12); 48 (, 3); 50 (, 5, 8); 51 (, 1); 53 (, 5 to 12); 54 (, 1 to 12); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1 to 9, 11, 12); 60 (, 1 to 12); 61 (, 1 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 12); 66 (, 1 to 7); 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 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; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2007; 2009; 2010; 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.38:1-12;vol.39:1-12;vol.40:1-12;vol.41:1-12;vol.42:1-12;vol.43:1-12;vol.44:1-12;vol.45:1-12;vol.46:1-12;vol.47:1-12;vol.48:1-12;vol.49:1-12;vol.50:1-12,sup.s1;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,sup.S1,sup.S2;vol.58:1-12,sup.S1;vol.59:1-12;vol.60:1-12;vol.61:1-12
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Portico
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Preserved
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2026-02-12
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Preserved : 1960: 1(1-4), 1961: 2(1-4), 1962: 3(1-4), 1963: 4(1-6), 1964: 5(1-6), 1965: 6(1-6), 1966: 7(1-12), 1967: 8(1-12), 1968: 9(1-12), 1969: 10(1-12), 1970: 11(1-12), 1971: 12(1-12), 1972: 13(1-12), 1973: 14(1-12), 1974: 15(1-12), 1975: 16(1-12), 1976: 17(1-12), 1977: 18(1-12), 1978: 19(1-12), 1979: 20(1-12), 1980: 21(1-12), 1981: 22(1-12), 1982: 23(1-12), 1983: 24(1-12), 1984: 25(1-12), 1985: 26(1-12), 1986: 27(1-12), 1987: 28(1-12), 1988: 29(1-12), 1989: 30(1-12), 1990: 31(1-12), 1991: 32(1-12), 1992: 33(1-12), 1993: 34(1-12), 1994: 35(1-12), 1995: 36(1-12), 1996: 37(1-12), 1997: 38(1-12), 1998: 39(1-12), 1999: 40(1-12), 2000: 41(1-12), 2001: 42(1-12), 2002: 43(1-12), 2003: 44(1-12), 2004: 45(1-12), 2005: 46(1-12), 2006: 47(1-12), 2007: 48(1-12), 2008: 49(1-12), 2009: 50(1-12), 2010: 51(1-12), 2011: 52(1-12), 2012: 53(1-12), 2013: 54(1-12), 2014: 55(1-12), 2015: 56(1-12), 2016: 57(1, S1, 2, S2, 3-12), 2017: 58(1, S1, 2-12), 2018: 59(1-12), 2019: 60(1-12), 2020: 61(1-12), 2021: 62(1-12), 2022: 63(1-12), 2023: 64(1, S1, 2-12), 2024: 65(1-12), 2025: 66(1-12), 2026: 67(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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6, 12, 31 to 67
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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 : 47 (1-12); 48 (1-12)
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