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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 41 (1 to 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 50 (, 1, 2, 4 to 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 6); 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2008; 2009; 2010; 2011; 2012; 2013; 2014
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CLOCKSS Archive
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Preserved
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2026-02-09
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41 to 56
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LOCKSS Archive
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Preserved
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2026-02-09
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41, 49, 52, 55, 56
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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 : 41 (1-6); 42 (supplement-1, 1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (1-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1-6); 54 (1-6); 55 (1-6); 56 (1-6)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 5 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 5 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6)
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