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Portico
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Preserved
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2026-05-07
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Preserved : 1989: 4(1-6), 1990: 5(1-6), 1991: 6(1-6), 1992: 7(1-6), 1993: 8(1-6), 1994: 9(1-6), 1995: 10(1-6), 1996: 11(1-6), 1997: 12(1-6), 1998: 13(1-6), 1999: 14(1-6), 2000: 15(1-6), 2001: 16(1-6), 2002: 17(1-6), 2003: 18(1-6), 2004: 19(1-6), 2005: 20(1-6), 2006: 21(1-6), 2007: 22(1-6), 2008: 23(1-6), 2009: 24(1-6), 2010: 25(1-6), 2011: 26(1-6), 2012: 27(1-6), 2013: 28(1-6)
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CLOCKSS Archive
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Preserved
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2026-05-04
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4 to 28
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (Index, 1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 4, 5-6); 25 (1 to 4, 5-6); 26 (1 to 4, 5-6); 27 (1 to 6); 28 (1, 2-3, 4, 5-6)
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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 : 4 (1-6); 5 (1-6); 6 (1-6); 7 (1-6); 8 (1-6); 9 (1-6); 10 (1-6); 11 (I1, 1-6); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (1-6); 20 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-4, 5-6); 25 (1-4, 5-6); 26 (1-4, 5-6); 27 (1-6); 28 (1, 2-3, 4, 5-6); 108 (1)
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