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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, 3‐4); 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 to 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, 2, 3‐4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1, 2, 3‐4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1-2, 3, 4); 29 (, 1 to 4); 30 (, 1, 2, 3-4); 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); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1, 3-4); 41 (, 1-2, 3-4); 42 (, 1-2, 3-4); 43 (, 1-2); 44 (, 1-2, 3-4); 45 (, 1-2, 3-4); 46 (, 1-2, 3-4); 47 (, 1-2, 3-4); 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; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.24:1-4;vol.25:1-4;vol.26:1-4;vol.27:1-4;vol.28:3-4,1-2;vol.29:1-4;vol.30:1-2,3-4;vol.31:1-4;vol.32:1-4;vol.33:1-4,sup.s1;vol.34:1-4,sup.s1;vol.35:1-4,sup.s1;vol.36:1-4,sup.s1;vol.37:1-4,sup.s1;vol.38:1-4,sup.s1;vol.39:1-4,sup.S1;vol.40:1-2,3-4,sup.S1;vol.41:1-2,3-4,S1;vol.42:1-2,3-4,sup.S1;vol.43:1-2,3-4;vol.44:1-2,3-4;vol.45:1-2,3-4;vol.46:1-2,3-4;vol.47:1-2,3-4
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Portico
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Preserved
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2026-02-12
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Preserved : 1973/1974: 1(1-4), 1974/1975: 2(1-4), 1975/1976: 3(1-4), 1977: 4(1-4), 1978: 5(1-4), 1979: 6(1-4), 1980: 7(1-4), 1981: 8(1-4), 1982: 9(1-4), 1983: 10(1-4), 1984: 11(1-4), 1985: 12(1-4), 1986: 13(1-4), 1987: 14(1-4), 1988: 15(1-4), 1989: 16(1-4), 1990: 17(1-4), 1991: 18(1-4), 1992: 19(1-4), 1993: 20(1-4), 1994: 21(1-4), 1995: 22(1-4), 1996: 23(1-4), 1997: 24(1-4), 1998: 25(1-4), 1999: 26(1-4), 2000: 27(1-4), 2001: 28(1-4), 2002: 29(1-4), 2003: 30(1-4), 2004: 31(1-4), 2005: 32(1-4), 2006: 33(1-5), 2007: 34(1-5), 2008: 35(1-5), 2009: 36(1-5), 2010: 37(1-5), 2011: 38(1-5), 2012: 39(1-5), 2013: 40(1-5), 2014: 41(1-5), 2015: 42(1-5), 2016: 43(1-4), 2017: 44(1-4), 2018: 45(1-4), 2019: 46(1-4), 2020: 47(1-4), 2021: 48(1-4), 2022: 49(1-4), 2023/2024: 50(1-4), 2024/2025: 51(1-4), 2025: 52(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1973/1974: 1(1-4), 1974/1975: 2(1-4), 1975/1976: 3(1-4), 1977: 4(1-4), 1978: 5(1-4), 1979: 6(1-4), 1980: 7(1-4), 1981: 8(1-4), 1982: 9(1-4), 1983: 10(1-4), 1984: 11(1-4), 1985: 12(1-4), 1986: 13(1-4), 1987: 14(1-4), 1988: 15(1-4), 1989: 16(1-4), 1990: 17(1-4), 1991: 18(1-4), 1992: 19(1-4), 1993: 20(1-4), 1994: 21(1-4), 1995: 22(1-4), 1996: 23(1-4), 1997: 24(1-4), 1998: 25(1-4), 1999: 26(1-4), 2000: 27(1-4), 2001: 28(3-4), 2002: 29(1-4), 2003: 30(1-2), 2004: 31(1-4), 2005: 32(1-4), 2006: 33(1-4), 2007: 34(1-4), 2008: 35(1-4), 2009: 36(1-4), 2010: 37(1-4), 2011: 38(1-4), 2012: 39(1, S1, 2-4), 2013: 40(1, S1, 2-4), 2014: 41(1-2, S 1, 3-4), 2015: 42(1-2, S1, 3-4), 2016: 43(1-4), 2017: 44(1-4), 2018: 45(1-4), 2019: 46(1-4), 2020: 47(1-4)
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CLOCKSS Archive
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Preserved
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2026-02-09
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18 to 47
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Library of Congress
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Preserved
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2025-04-07
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1 (1 to 3-4); 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 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (3, 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 3-4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 3-4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1-2, 3, 4); 29 (1 to 4); 30 (1 to 3-4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 5); 34 (1 to 5); 35 (1 to 5); 36 (1 to 5); 37 (1 to 5); 38 (1 to 5); 39 (1 to 5); 40 (1 to 3-4, 5); 41 (1-2, 3-4, 5); 42 (1-2, 3-4, 5); 43 (1-2, 3-4); 44 (1-2, 3-4); 45 (1-2, 3-4); 46 (1-2, 3-4); 47 (1-2, 3-4); 48 (1 to 4); 49 (1 to 4); 50 (2 to 4); 51 (1)
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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 : 33 (s1, 1-4); 34 (s1, 1-4)
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