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CLOCKSS Archive
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Preserved
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2026-02-09
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2010 to 2020
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Scholars Portal
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Preserved
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2025-09-02
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Preserved :
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LOCKSS Archive
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Preserved
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2026-02-09
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2008 to 2011
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CLOCKSS Archive
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Preserved
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2026-02-09
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2009 to 2014
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 2009(1), 2010: 2010(1), 2011: 2011(1), 2012: 2012(1), 2013: 2013(1, S 1), 2014: 2014(1), 2015: 2015(1), 2016: 2016(1), 2017: 2017(1, S 1), 2018: 2018(1), 2019: 2019(1), 2020: 2020(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 2009, 2010: 2010, 2011: 2011
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LOCKSS Archive
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In Progress
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2026-02-09
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2012, 2019
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LOCKSS Archive
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Preserved
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2026-02-09
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2013 to 2018
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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 : 21; 22; 29; 211; 212; 213 (Suppl 1, 1); 214 (Suppl 1, 1); 215 (Suppl 1, 1); 216; 217 (Suppl 1, 1); 219
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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 : 21; 22; 29; 211; 212; 213 (Suppl 1, 1); 214 (Suppl 1, 1); 215 (Suppl 1, 1); 216; 217 (Suppl 1, 1); 219
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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 : 21; 22; 29; 211; 212; 213; 214; 215; 216; 217; 218; 219
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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 : 21; 22; 29; 211; 212; 213; 214; 215; 216; 217; 218; 219
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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 : 2009; 2010; 2011; 2012; 2013; 2014
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British Library
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Preserved
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2019-09-18
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Preserved : 2009 (1), 2010 (1), 2011 (1), 2012 (1), 2013 (Supp 1)
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