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Portico
|
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Preserved
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2026-02-12
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Preserved : 2006: 1(1), 2007/2008: 2(1-2), 2008: 3(1-2), 2009: 4(1-2), 2010: 5(1-2), 2011: 6(1)
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CLOCKSS Archive
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Preserved
|
2026-02-09
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1 to 15
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Portico
|
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Preserved
|
2026-02-12
|
|
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Preserved : 2006: 1(1), 2007: 2(1-2), 2008: 3(1-2), 2009: 4(1-2), 2010: 5(1-2), 2011: 6(1), 2012: 7, 2013: 8, 2014: 9, 2015: 10, 2017: 11, 2017: 12, 2018: 13, 2019: 14, 2021: 15
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|
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Library of Congress
|
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Preserved
|
2025-04-07
|
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5 (1, 2); 6 (1); 7 (December 2012); 8 (2013); 9 (2014); 10 (2015); 11 (2016); 12 (2017); 13 (2018); 14 (2019); 15 (2020)
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