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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 16
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Portico
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Preserved
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2026-02-12
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Preserved : 1977: 1(1-6), 1978: 2(1-6), 1979: 3(1-9), 1980: 4(1-12, Index), 1981: 5(1-12, Index, S), 1982: 6(1-12), 1983: 7(1-12, Index), 1984: 8(1-12), 1985: 9(1-12, Index), 1986: 10(1-12), 1987: 11(1-12), 1988: 12(1-12), 1989: 13(1-12, Index), 1990: 14(1, S 1, 2-12, Index), 1991: 15(1-12), 1992: 16(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 (, 1 to 6); 3 (, 1 to 9); 4 (, 1 to 12); 5 (, 1 to 12); 6 (, 1 to 12); 7 (, 1 to 12); 8 (, 1 to 12); 9 (, 1 to 12); 10 (, 1 to 12); 11 (, 1 to 12); 12 (, 1 to 12); 13 (, 1 to 12); 14 (, 1 to 12); 15 (, 1 to 12); 16 (, 1 to 12); 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992
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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 (1-6); 3 (1-9); 4 (1, I, 2-12); 5 (S, 1-12); 6 (1-12); 7 (1-12); 8 (1-12); 9 (1, I, 2-12); 10 (1-12); 11 (1-12); 12 (1-12); 13 (1-12); 14 (S1, 1, I, 2-12); 15 (1-8-10-12); 16 (1-12)
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