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Portico
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Preserved
|
2026-02-12
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Preserved : 1993: 22(1-4), 1994: 23(1-4), 1995: 24(1-4), 1996: 25(1-4), 1997: 26(1-4), 1998: 27(1-4), 1999: 28(1-4), 2000: 29(1-2), 2001: 30(1-2), 2002: 31(1-2), 2003: 32(1-2)
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Internet Archive
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Preserved
|
2025-08-08
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1 to 15
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Scholars Portal
|
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Preserved
|
2025-09-02
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Preserved : 1 (1); 2 (, 1, 2); 3 (, 1, 2); 4 (, 1, 2); 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 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, 2, 3-4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1, 2); 30 (, 1, 2); 31 (, 1, 2); 32 (, 1, 2); 34 (, 1, 2); 35 (, 1, 2); 36 (, 1, 2); 37 (, 1, 2); 38 (, 1, 2); 39 (, 1, 2); 40 (, 1, 2); 41 (, 1, 2); 42 (, 1, 2); 43 (, 1, 2); 44 (, 1, 2); 45 (, 1, 2); 46 (, 1, 2); 47 (, 1, 2); 48 (, 1, 2); 49 (, 1, 2); 50 (, 1, 2); 51 (, 1, 2); 52 (, 1, 2); 53 (, 1, 2); 54 (, 1); 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; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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|
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CLOCKSS Archive
|
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Preserved
|
2026-02-09
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|
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22 to 32
|
|
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Technische Informationsbibliothek
|
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Preserved
|
2026-01-13
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|
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vol.26:1-4;vol.27:1-4;vol.28:1-4;vol.29:1-2;vol.30:1-2;vol.31:1-2;vol.32:1-2;vol.33:1-2;vol.34:1-2;vol.35:1-2;vol.36:1-2;vol.37:1-2;vol.38:1-2;vol.39:1-2;vol.40:1-2;vol.41:1-2;vol.42:1-2;vol.43:1-2;vol.44:1-2;vol.45:1-2;vol.46:1-2;vol.47:1-2;vol.48:1-2;vol.49:1-2
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|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1972: 1(1), 1973: 2(1-2), 1974: 3(1-2), 1975: 4(1-2), 1976: 5(1-4), 1977: 6(1-4), 1978: 7(1-4), 1979: 8(1-4), 1980: 9(1-4), 1981: 10(1-4), 1982: 11(1-4), 1983: 12(1-4), 1984: 13(1-4), 1985: 14(1-4), 1986: 15(1-4), 1987: 16(1-4), 1988: 17(1-4), 1989: 18(1-4), 1990: 19(1-4), 1991: 20(1-4), 1992: 21(1-4), 1993: 22(1-4), 1994: 23(1-4), 1995: 24(1-4), 1996: 25(1-4), 1997: 26(1-4), 1998: 27(1), 1999: 28(1), 2000: 29(1), 2001: 30(1), 2002: 31(1-2), 2003: 32(1-2), 2004: 33(1-2), 2005: 34(1-2), 2006: 35(1-2), 2007: 36(1-2), 2008: 37(1-2), 2009: 38(1-2), 2010: 39(1-2), 2011: 40(1-2), 2012: 41(1-2), 2013: 42(1-2), 2014: 43(1-2), 2015: 44(1-2), 2016: 45(1-2), 2017: 46(1-2), 2018: 47(1-2), 2019: 48(1-2), 2020: 49(1-2)
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|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
20 to 49
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 53
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
35 to 54
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
54
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1972: 1(1), 1973: 2(1-2), 1974: 3(1-2), 1975: 4(1-2), 1976: 5(1-4), 1977: 6(1-4), 1978: 7(1-4), 1979: 8(1-4), 1980: 9(1-4), 1981: 10(1-4), 1982: 11(1-4), 1983: 12(1-4), 1984: 13(1-4), 1985: 14(1-4), 1986: 15(1-4), 1987: 16(1-4), 1988: 17(1-4), 1989: 18(1-4), 1990: 19(1-4), 1991: 20(1-4), 1992: 21(1-4), 1993: 22(1-4), 1994: 23(1-4), 1995: 24(1-4), 1996: 25(1-4), 1997: 26(1-4), 1998: 27(1-4), 1999: 28(1-4), 2000: 29(1-2), 2001: 30(1-2), 2002: 31(1-2), 2003: 32(1-2), 2004: 33(1-2), 2005: 34(1-2), 2006: 35(1-2), 2007: 36(1-2), 2008: 37(1-2), 2009: 38(1-2), 2010: 39(1-2), 2011: 40(1-2), 2012: 41(1-2), 2013: 42(1-2), 2014: 43(1-2), 2015: 44(1-2), 2016: 45(1-2), 2017: 46(1-2), 2018: 47(1-2), 2019: 48(1-2), 2020: 49(1-2), 2021: 50(1-2), 2022: 51(1-2), 2023: 52(1-2), 2024: 53(1-2), 2025: 54(1-2)
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
48 (2); 50 (1, 2); 51 (1, 2); 52 (1, 2); 53 (1, 2)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 22 (1-4); 23 (1-4); 24 (1-4); 25 (1, 2, 3-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 35 (1, 2); 36 (1, 2)
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