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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 4 (1 to 5); 5 (, 1, 2, 4 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1, 6); 10 (, 1 to 4, 6); 11 (, 3, 4, 6); 12 (, 1 to 6); 13 (, 1, 3 to 6); 14 (, 1 to 6); 15 (, 1 to 5); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 3, 5, 6); 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016
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CLOCKSS Archive
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Preserved
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2026-02-09
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16
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 16(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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16 to 20
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LOCKSS Archive
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Preserved
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2026-02-09
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16 to 21
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CLOCKSS Archive
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In Progress
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2026-02-09
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21
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 1(1-6), 1997: 2(1-6), 1998: 3(1-6), 1999: 4(1-6), 2000: 5(1-6), 2001: 6(1-6), 2002: 7(1-6), 2003: 8(1-6), 2004: 9(1-6), 2005: 10(1-6), 2006: 11(1-6), 2007: 12(1-6), 2008: 13(1-6), 2009: 14(1-6), 2010: 15(1-6), 2011: 16(1-6), 2012: 17(1-6), 2013: 18(1-6), 2014: 19(1-6), 2015: 20(1-6), 2016: 21(1-6)
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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 : 1 (1-6); 2 (1-6); 3 (1-6); 4 (2-5); 5 (1, 2, 4-6); 6 (2-6); 7 (1-6); 8 (1-6); 9 (1, 5, 6); 10 (5, 6); 11 (3, 4); 12 (1, 3, 4); 13 (1, 3, 4); 14 (1-3); 15 (2, 3, 5, 6); 16 (4); 17 (1-6); 18 (1-6); 19 (1, 2, 4-6); 20 (1-3, 6); 21 (1-3, 5, 6)
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