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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 17
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Portico
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Preserved
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2026-02-12
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Preserved : 1979/1980: 1(1-4), 1981: 2(1-4), 1982: 3(1-4), 1983: 4(1-4), 1984: 5(1-4), 1985: 6(1-4), 1986: 7(1-4), 1987: 8(1, S 1, 2-4, ), 1988: 9(1-6), 1989: 10(1-6), 1990: 11(1-6), 1991: 12(1-6), 1992: 13(1-6), 1993: 14(1-6), 1994: 15(1-6), 1995: 16(1-6), 1996: 17(1-6)
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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, 2, 3-4); 8 (, 1 to 4); 9 (, 1, 2-4, 5, 6); 10 (, 1-3, 4 to 6); 11 (, 1 to 3, 4-5, 6); 12 (, 1 to 6); 13 (, 1 to 4, 5-6); 14 (, 1 to 6); 15 (, 1 to 4, 5-6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 4); 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997
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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 : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1, 2, 3-4); 8 (S1, 1-4); 9 (1, 2-4, 5, 6); 10 (1-3, 4-6); 11 (1-3, 4-5, 6); 12 (1-6); 13 (1-4, 5-6); 14 (1-6); 15 (1-4, 5-6); 16 (1-6); 17 (1-6)
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