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Portico
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Preserved
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2026-04-09
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Preserved : 2006: 1(1-4), 2007: 2(1-4), 2008: 3(1-4), 2009: 4(1-4), 2010: 5(1-4), 2011: 6(1-6), 2012: 7(1-6), 2013: 8(1-6), 2014: 9(1-4)
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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 : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 4)
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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 : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 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 (2 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4, 6); 7 (1, 3 to 6); 8 (1 to 4); 9 (1 to 4)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 4, 6 to 9
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.1:1-4;vol.2:1-4;vol.3:1-4;vol.4:1-4;vol.5:1-4;vol.6:1-6;vol.7:1-6;vol.8:1-6;vol.9:1-4
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