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CLOCKSS Archive
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Preserved
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2026-03-30
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1 to 13
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Portico
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Preserved
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2026-04-02
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Preserved : 1988/1989: 1(1-4), 1990: 2(1-4), 1991: 3(1-4), 1992: 4(1-4), 1993: 5(1-4), 1994: 6(1-4), 1995: 7(1-4), 1996: 8(1-4), 1997: 9(C), 1998: 10(1-4), 2000: 11(1-4), 2000: 12(1-4), 2001: 13(1-4)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1, 3, 4); 2 (3, 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (none); 10 (1 to 4); 11 (1 to 4); 12 (1-2, 3, 4); 13 (1-2, 3, 4)
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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 (1-3); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (C); 10 (1-4); 11 (1-4); 12 (1-2, 3, 4); 13 (1-2, 3, 4)
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