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CLOCKSS Archive
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Preserved
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2026-02-09
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20 to 44
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Portico
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Preserved
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2026-02-12
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Preserved : 1975: 20(1-4), 1976: 21(1-4), 1977/1978: 22(1-4), 1978: 23(C), 1979: 24(1-6), 1980: 25(1-6), 1981: 26(1-6), 1982: 27(1-6), 1983: 28(1-6), 1984: 29(1-6), 1985: 30(1-6), 1986: 31(1-6), 1987: 32(1-6), 1988: 33(1-6), 1989: 34(1-6), 1990: 35(1-6), 1991: 36(1-6), 1992: 37(1-6), 1993: 38(1-6), 1994: 39(1-6), 1995: 40(1-6), 1996: 41(1-6), 1997: 42(1-6), 1998: 43(1-6), 1999: 44(1-6)
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Scholars Portal
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Preserved
|
2025-09-02
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|
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Preserved : 5 (1, 2); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23; 24 (1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 6); 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
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Internet Archive
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|
Preserved
|
2025-08-08
|
|
|
20 to 44
|
|
|
Portico
|
|
Preserved
|
2026-02-12
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|
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Preserved : 1973: 18(1-4), 1974: 19(1-4), 1975: 20(1-4), 1976: 21(1-4), 1977: 22(1-4), 1978: 23(1-2), 1979: 24(1-6), 1980: 25(1-6), 1981: 26(1-6), 1982: 27(1-6), 1983: 28(1-6), 1984: 29(1-6), 1985: 30(1-6), 1986: 31(1-6), 1987: 32(1-6), 1988: 33(1-6), 1989: 34(1-6), 1990: 35(1-6), 1991: 36(1-6), 1992: 37(1, S 1, 2-6), 1993: 38(1, S 1, 2-6), 1994: 39(1, S 1, 2-6), 1995: 40(1-6), 1996: 41(1-6), 1997: 42(1-6), 1998: 43(1-6)
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Technische Informationsbibliothek
|
|
Preserved
|
2026-01-13
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vol.42:1-6;vol.43:1-6;vol.44:1-6
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National Library of the Netherlands
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|
Preserved
|
2024-12-15
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Preserved : 20 (1-4); 21 (1-4); 22 (1-4); 23 (C); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6)
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