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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 26
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Portico
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Preserved
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2026-02-12
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Preserved : 1970: 1(1-6), 1971: 2(7-12), 1972: 3(13-18), 1973: 4(19-24), 1974: 5(1, Index 1, 2-12), 1975: 6(1, Index 1, 2-12), 1976: 7(1-2, Index 1, 3-12), 1977: 8(1, Index 1, 2-12), 1978: 9(1-12, Index), 1979: 10(1, Index 1, 2-12), 1980: 11(1, Index 1, 2-6), 1980: 12(1-2, Index 1, 3-6), 1981: 13(1, Index 1, 2-12), 1982: 14(1, Index 1, 2-12), 1983: 15(1-12), 1984: 16(1-12), 1985: 17(1-12), 1986: 18(1, Index 1, 2-12), 1987: 19(1, Index 1, 2-12), 1988: 20(1-12), 1989: 21(1-12), 1990: 22(1-12), 1991: 23(1-12), 1992: 24(1-12), 1988/1993: 25(1-12), 1994: 26(1-12)
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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 6); 2 (, 7 to 12); 3 (, 13 to 18); 4 (, 19 to 24); 5 (, 1 to 4, 5-6, 7-8, 9-10, 11-12); 6 (, 1 to 12); 7 (, 1-2, 3-4, 5, 6-7, 8, 9-10, 11, 12); 8 (, 1 to 12); 9 (, 1 to 12); 10 (, 1 to 12); 11 (, 1, 2, 3-4, 5, 6); 12 (, 1-2, 3, 4, 5-6); 13 (, 1 to 12); 14 (, 1 to 12); 15 (, 1 to 12); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 4, 5-6, 7-8, 9 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 9, 10-11, 12); 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
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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 (1-6); 2 (7-12); 3 (13-18); 4 (19-24); 5 (1-4, 5-6, 7-8, 9-10, 11-12); 6 (I1, 1-12); 7 (I1, 1-2, 3-4, 5, 6-7, 8, 9-10, 11, 12); 8 (I1, 1-12); 9 (1, I, 2-12); 10 (1-12); 11 (I1, 1, 2, 3-4, 5, 6); 12 (1-2, 3, 4, 5-6); 13 (I1, 1-12); 14 (I1, 1-12); 15 (1-12); 16 (1-12); 17 (1-12); 18 (I1, 1-12); 19 (I1, 1-12); 20 (1-12); 21 (1-12); 22 (1-12); 23 (1-4, 5-6, 7-8, 9-12); 24 (1-12); 25 (1-12); 26 (1-9, 10-11, 12)
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